MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains a reference to the same URL, suggesting a lure to a malicious site. The PDF also contains a mass external PDF link farm, with the first URL being 'cdn.shopify.com/s/files/1/0428/7240/6179/files/number_analogy_for_ssc_exam.pdf'. This indicates a social engineering attempt to redirect users to potentially malicious content.
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.ru/pify?keyword=pwc+global+blockchain+survey+pdf In PDF document text
- http://dupig.pinecityhistory.com/uploads/1/3/1/4/131453870/e3c1b.pdfIn PDF document text
- http://files.heracleous.org/uploads/1/3/0/8/130874324/3950971.pdfIn PDF document text
- http://files.michaelbrownslawoffice.com/uploads/1/3/1/4/131406762/xajixolaxexojobegu.pdfIn PDF document text
- http://files.christinaperritt.co.uk/uploads/1/3/0/7/130776519/ca0ec33cae77f.pdfIn PDF document text
- http://files.nyqdma.org/uploads/1/3/2/7/132740435/mapaxukoluvud.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/1/0428/7240/6179/files/number_analogy_for_ssc_exam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3318/2886/files/class_11_chemistry_ncert_book_download_in_gujarati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/62813730549.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3001/files/80863359824.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5320/1046/files/confirmed_in_the_spirit_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7956/5465/files/loki_s_vault_of_borrowed_items.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3640/7973/files/lujamepewupulenixud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lufixupiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8729/6680/files/threat_level_mhw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9693/2505/files/99555025040.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0981/8272/files/29247286361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9861/2636/files/biwizowetufur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5253/1869/files/bifebanukewakolulojo.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ce9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CE9 | 5876 bytes |
SHA-256: 34239f5a7b8d7152cfb0b2edad66a5f102271033a470611d5dbfc1ad612ad4e2 |
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font_01_sfnt_off00008101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8101 | 14084 bytes |
SHA-256: f171de7b8bc52b5d211302e210e0f376f708bed66f7fa948c4857512d0c69eb0 |
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