MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious. It functions as a link farm, containing numerous URLs pointing to compromised CMS upload directories and disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://sluchatka-shop.cz/files/upload/files/mitukezuxa.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/af984c77b59bc5460064cf3355e00bb5/butobavi.pdf
- http://birnagarcollege.in/userfiles/file/78612855571.pdf
- https://pasarantogeldua.com/contents//files/14623189036.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0596a9b48b---burabom.pdf
- http://www.allatpatikapecs.hu/images/file/51034615355.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160917163dac12---xomowopaxaze.pdf
- http://www.annaleehuber.com/content_files/file/mupazitisepexokus.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/cfviee80jlfouvb8pfeek93cv2/buwinadij.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/lpjdb0483o5mtmd5uq2n0fvsdo/65334695199.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/811e39b11e9d2417c3925e7a1887ed00/70018884810.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/4963f9d4a5dfd6fa147384a58de47672/fovubitufifubolep.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a76ac8426---90388657225.pdf
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/niluwolafixid.pdf
- http://bannermaul.com/userData/board/file/39940238007.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e97e5ddfa6---lagof.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160d8502283617---39298019874.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d85d85dfda2---fuwudivupeka.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/nf5u3nubrfv0nmgaq8uaknv1es/buzixa.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160712f0a0b87c---18826076451.pdf
- https://hophamthaibinh.com/upload/files/dapekizudusojo.pdf
- http://walkofagesvt.org/clients/0/0e/0e42319052772b195a43ba3ede0f03e0/File/96909748489.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/cca991b6e115ec8a62ad470c0123ca74/webomofovunebekaxowanij.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/a0eee2lsm5rhpi2oilta4v3791/11889140270.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/v0dc0tv2rhso5088gc44mq29p0/12858149170.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=holy+ghost+fire+fire+fall+on+me+lyrics
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d4c6.bin45df0dc2512cb51df6c677eff3e72fe9d98d7d3414f94102c23b45367569d5a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C6 | 16892 bytes |
font_01_sfnt_off0001010d.bin27fa49ca30b1f57c6e4f8b99ad1f73ead7010ce1f191e20d716503af09158f46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1010D | 16160 bytes |
font_02_sfnt_off00011686.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11686 | 16792 bytes |
font_03_sfnt_off00012e9d.bina2c506e9e47aa53da3d106f605a0ea2169e3ad1cbe41f64ca88a3cb77830a7a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E9D | 10888 bytes |
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