MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload storage locations and other disposable hosting sites. The embedded URLs suggest a lure to download manuals, likely a pretext for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bb340022867---95195845209.pdf In PDF document text
- https://aromamarketing.md/img/files/32200619028.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/1f1f08c7b2d82e59e8271b524385c487/78774876809.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/abcb317375b43c08a0cc2cc90bb59a4d/41877896110.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/vezabojalerukenamabemujo.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/e53c8965534dd52c2d38ca43ad731795/32881195861.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/48085351852.pdfIn PDF document text
- https://theptaynam.vn/upload/files/gawutosadadixa.pdfIn PDF document text
- https://alusol-kw.com/ckfinder/userfiles/files/21696006533.pdfIn PDF document text
- http://sumnerclassof1976.com/clients/4/49/49b54eafcc86ae0c30eb104ab8b91c7c/File/7201536543.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/pubemukimozoz.pdfIn PDF document text
- http://shannonlakeestates.org/fck_images/file/penutoja.pdfIn PDF document text
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/32152369758.pdfIn PDF document text
- http://kcobafl.org/ckfinder/userfiles/files/49691907832.pdfIn PDF document text
- http://short-story.ru/upload/file/87983896042.pdfIn PDF document text
- http://przystaneknida.pl/data/aktualnosci_imgs/file/81177086308.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608258f2a36ae---92097516175.pdfIn PDF document text
- https://datawire.gr/files/files/wakiwupotovowokafilufivir.pdfIn PDF document text
- http://taispacedesign.com/upload/files/vuwefivaj.pdfIn PDF document text
- http://nage-z.com/ckfinder/userfiles/files/10443123248.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/fee54cd4b33dec4d3114e8f7d3b525ba/10013728983.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/1adeb654f10462ff108f4692a563aa06/74466428633.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc218338dd---towegikulabubufixav.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210509031744_495031648.pdfIn PDF document text
- http://ristoranteyuri2.com/userfiles/file/41503272343.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/1c1a8dd397b2156d29cdc8150b4dcee4/regosoxuxuzisunedokamepo.pdfIn PDF document text
- https://rumputhijau.com/contents//files/sularexixijunemefuzu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=2019+bmw+4+series+convertible+owners+manual+pdfPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/a254d49f43d8e9695b56cd23ad46c0c1/jetavatofusu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e817.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE817 | 11616 bytes |
SHA-256: f8798f030e42ceceaa274bf2ab0efb53eb480ef594de7f67c7b5cea9267789e1 |
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font_01_sfnt_off000103ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BBE | 18544 bytes |
SHA-256: 4b664d51451c02679c9c82658d9a84640d65ce16361a2420ecff763d31d8a442 |
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