MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a primary redirector pointing to 'ttraff.com', which is flagged as malicious. This infrastructure is used to host a link farm of PDFs, likely for SEO manipulation to lure victims. The document body, though heavily obfuscated, contains the same redirector URL, indicating a clear intent to direct users to malicious content. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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.com/pify?keyword=differential+calculus+formula+pdf+download In PDF document text
- http://files.artexpressions218.com/uploads/1/3/0/9/130969535/73c12a07e.pdfIn PDF document text
- http://files.writteninwood.com/uploads/1/3/0/7/130776204/8112700.pdfIn PDF document text
- http://files.lifechurcheu.com/uploads/1/3/0/8/130874332/lawoxawepowip_rubokuvemanaluj_fuvozopolaj_fowiwobenut.pdfIn PDF document text
- http://files.zoe-farmer.com/uploads/1/3/1/4/131454549/runavar.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/1/0434/4299/5352/files/xodanodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1917/2000/files/kowafalefokemudenugoweko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8790/4422/files/47926271486.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2160/4763/files/3652224693.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18491093394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/82968275358.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1867/3566/files/55440015196.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2072/2080/files/refazawoxud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6563/9069/files/babumebaxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6304/9376/files/tedebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6913/6280/files/zener_diode_circuit_diagram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2408/9242/files/gekuvotolujasikopokum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6145/0654/files/beej_socket_programming_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6917/6992/files/zobimotizeneponiwilib.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_off00005d75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D75 | 5392 bytes |
SHA-256: 020ec5709720678864df02e7597e1b3a75b59fb1745aecb958be27ea92ee4f3e |
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font_01_sfnt_off00006fc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FC8 | 11584 bytes |
SHA-256: ae54bdaa97250f66a22dc66048f375513ee436cc0aeb042132acb0b22ed2bcaa |
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