MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload storage, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 https://taitaosuckhoe.com/uploads/files/49264209159.pdf In PDF document text
- http://astorandblack.net/emailer/userfiles/file/18466178136.pdfIn PDF document text
- http://texmet.pl/userimages/file/misonapebogokekotakuxi.pdfIn PDF document text
- http://nawooelcs.com/upload/userfiles/2021/09/files/210904152226.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/cc2jcjalgrlrper71c7ns7m50m/63788342661.pdfIn PDF document text
- https://turismopontevedra.com/ckfinder/userfiles/files/sidaxulexon.pdfIn PDF document text
- https://vespaclubcagliari.com/userfiles/file/gegaxovepijaxolu.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/92966584465.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/c0dc461792dcfa0db67b46e55795f5c5/gapineluzejosapukeviwitiv.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/domit.pdfIn PDF document text
- http://labellebeaute.com.hk/ckfinder/userfiles/files/65696175982.pdfIn PDF document text
- http://centrons.com/uploaded/file/68399117613ce3cccfb7a.pdfIn PDF document text
- http://first-group.kr/ckupload/files/doxomikosepirufulavuteki.pdfIn PDF document text
- https://partroyfuneralhome.com/partroy/assets/file/75924103250.pdfIn PDF document text
- http://yossy.biz/userfiles/file/51796560893.pdfIn PDF document text
- http://cuacuonductudong.com/upload/files/nulupekomomi.pdfIn PDF document text
- http://haphadoor.com/upload/files/54882775136.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1615a2c034938d---goputesulavarawiwefolima.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/pofakonevapavo.pdfIn PDF document text
- https://successalpha.team/upload/files/27961327766.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=american+eagle+outfitters+jerry+silvermanPDF link annotation
- 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_off0000abd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABD6 | 15312 bytes |
SHA-256: 26a8a1779e2a0a8338abe841103b9f3058503c864b6a8d2049f7740b4734422c |
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font_01_sfnt_off0000d28a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD28A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eaa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA1 | 11072 bytes |
SHA-256: 87550aad49c70254e944fd6369d121b088473796d7e1a2175358e84af57ea096 |
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