MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=general+zoology+lecture+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The file also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, but the presence of the redirector and link farm strongly suggests a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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.cc/pify?keyword=general+zoology+lecture+pdf In PDF document text
- http://files.evaslebanesecooking.com/uploads/1/3/0/8/130874012/serotot.pdfIn PDF document text
- http://files.jackierobidouxphotography.com/uploads/1/3/1/4/131453560/denukezulejisukaxuwa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/1576/6177/files/dogenuzanevejurinaliled.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5555/3443/files/bypass_frp_apk_android_7._0.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8792/8223/files/88294400450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2654/4797/files/basic_learning_computer_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2285/9943/files/sign_in_gmail_account_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6546/5249/files/bifurcated_appraisal_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1828/7266/files/970930926.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7511/6959/files/dexivaniwapuginewoxixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9218/1153/files/30911956680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8942/8637/files/leatherworking_classic_wow_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6610/5759/files/kadambari_assamese_movie_songs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8460/1752/files/34935307741.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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008d33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D33 | 2828 bytes |
SHA-256: 4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9 |
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font_01_sfnt_off0000972e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x972E | 5164 bytes |
SHA-256: a9b669f3ccc5031a372b2d640b2a5e80580ca443a8fe4a3c9617f2f093cb29f6 |
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font_02_sfnt_off0000a8e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8E1 | 10408 bytes |
SHA-256: 0c36ecb610b4bb78c9a121d13f4077c649b570cae345f8f8789a95e13459c254 |
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font_03_sfnt_off0000cc4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC4E | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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