MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate the presence of an external URI and an SEO redirector link, suggesting a phishing lure for free downloads. Although no scripts were explicitly extracted, the nature of the detection and the presence of a redirector URL strongly suggest an attempt to deliver a malicious payload or lead the user to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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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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/sq/ugae/~3/UQ8tT55rDuk/square?utm_term=physical+chemistry+book+pdf PDF link annotation
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e7f10cafd06e4982eb567f/1625813260560/only_a_northern_song_lyrics.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f6f47763d33e2a77c939b5/1626797175769/regogeboximi.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e8f3f20a287971af9815d7/1625879538149/bosezinaparanewatas.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f03e96fc6647025a3a9e13/1626357398481/ledodolotizik.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f9209d3f3fc43c4a263a4d/1626939549124/god_is_the_answer_quotes.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f3e57281f38b20588c952e/1626596723030/vapasunozikunoxevupawu.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f3db6270ff22042a0a3332/1626594146336/85888521804.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e8e0b1309bd63f3d82a7fb/1625874609372/calculus_a_complete_course_7th_edition_solutions.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f019a216a6d35a1113f305/1626347938359/83691476075.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f51d4826c2747482f54959/1626676553233/gidejipukubolaruzarizaw.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f91fe4ab987d687e6d570d/1626939365110/xofoxoxunejinewonun.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f4ee0ab386920ff6df8292/1626664459087/54401737338.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f8a1164d80571ef0eea820/1626906902853/mobile_legends_with_cheat.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee3836ab0cb8743be42ba4/1626224694849/4790186851.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f1d34aaec1514bf336ccf3/1626461002212/during_a_chemical_reaction.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f6bb3b5aef3116e386f65a/1626782523613/gejulavesavile.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f2ba766c177f33d79b6034/1626520182430/how_to_make_lavender_wands.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_off0000e159.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE159 | 15976 bytes |
SHA-256: f6edfd1b2ba7211518de86dc87ddc727f0c15ca6b8034f988f783142b345e964 |
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font_01_sfnt_off00010a5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012272.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12272 | 11128 bytes |
SHA-256: 5e9b44a4f5cbe148cc6e365df4603e378b6de6288b67924eef5b89b0aa54a748 |
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