MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. The presence of an SEO redirector link disguised as a 'pharmacology textbook pdf' suggests a phishing or scam lure. Although no scripts were extracted, the PDF structure and embedded URLs point towards a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://feedproxy.google.com/~r/razvivatel/yapz/~3/gOBB6uaVNRA/square?utm_term=pharmacology+textbook+pdf+by+mustapha PDF link annotation
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec91fa831aaf5e928b64d5/1626116602331/kurevewutanaxo.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ec7730950202184f0f3cc7/1626109744894/sites_in_dominica.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ed9dbcc2b60e0ed5b50581/1626185148922/71790016166.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee8c7c0981f36585a63700/1626246268986/vagigoramujerakawodivi.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ee0490ba7c7f743c212d13/1626211473026/open_with_password_protection.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ed3150bc9b4721000a78bc/1626157392308/13651271350.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec7980bdd82073f6fe048e/1626110336954/crossfire_series_book_4.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60edc99b1f6a9512286d973f/1626196379582/gonelixuzokabojigewidogu.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f4802025edf1230666a28a/1626636320426/75154096023.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f5c2f2d5aa5d53389c4af1/1626718962656/vafoleremuvapafa.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ed99e87c55557fb27ced42/1626184168258/xevojineguxuz.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60eddd048e89d93564d4c6ec/1626201348306/pafidelizij.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60efebdcbba06d2f3417ca65/1626336220952/best_talents_for_resto_druid_shadowlands.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e9282b3f195e1e4036834c/1625892907175/tea_for_two_and_a_piece_of_cake_download.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f399a1db752c5e49aedb83/1626577313303/curriculum_referenced_assessment.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e7f1f6a431ed42d2fcd1f2/1625813494947/dell_2005fpw_manual.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_off000137cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00014fe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FE2 | 11420 bytes |
SHA-256: 363d627889a12da92a19735350adee81c4f9504756b56effc6eac4431e6ee878 |
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font_02_sfnt_off00016a8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A8B | 17412 bytes |
SHA-256: c98654293614b6755edd0b5893b78b0e7483f62b80cfea3d943bee8b79ad6fb8 |
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