MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though obfuscated, contains the same redirector URL, suggesting a phishing or scam attempt to lure users to download potentially malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://ttraff.com/pify?keyword=interlinear+bible+greek+hebrew+english+pdf In PDF document text
- http://files.ladiesofhiphopfestival.com/uploads/1/3/0/9/130969489/7247828.pdfIn PDF document text
- http://files.frontporchmusic.org/uploads/1/3/1/4/131483371/bowom.pdfIn PDF document text
- http://pagud.brouhahagames.com/uploads/1/3/1/3/131379296/6855208.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2683/1784/files/catalogo_truper_2020_con_precios_publico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2010/8455/files/tcs_aptitude_questions_and_answers_with_explanation_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4014/files/acutely_ill_patients_in_hospital.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/49716775116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4854/1087/files/air_pollution_control_a_design_approach_4th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3287/1074/files/luguvawobaponexipikinupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3367/4396/files/zakowemimavasabejekama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5301/4423/files/73982374975.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5815/9006/files/dire_maul_east_entrance.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6488/5402/files/wogezifuwiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7206/1591/files/92660297216.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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006054.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6054 | 2912 bytes |
SHA-256: f1585241b59a1002e627af24859d8bddc2a41f5101ead6a7a290360bc82d6b36 |
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font_01_sfnt_off00006ab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB9 | 5536 bytes |
SHA-256: 0a3efe6dc239ca4c10bf756aae2f2a108010f07733a2c610eca8c9c2a16b8f2c |
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font_02_sfnt_off00007d7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D7F | 1796 bytes |
SHA-256: 7c849c819def30a085bff786074276235b33ec1bacd319f6d7fef517f6acebbf |
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font_03_sfnt_off00008671.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8671 | 10560 bytes |
SHA-256: a30f7435e5ed7d4275ab1cae324cd0bf5c8bb0adfc106a82a9e14bb90ba44464 |
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font_04_sfnt_off0000aa16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA16 | 16196 bytes |
SHA-256: 8495dff0895936632a550c385781be6cc7fcd2ad0fc4c9557ca640f60c0837b1 |
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