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 pointing to 'ttraff.ru'. It also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though partially corrupted, contains the target URL and keywords suggesting a lure. No scripts were extracted, but the primary malicious activity appears to be redirecting the user to a potentially harmful site.
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=algebra+de+boole+pdf In PDF document text
- http://files.townsendchemistry.org/uploads/1/3/0/8/130873718/4532037.pdfIn PDF document text
- http://files.wandlevalleyforum.org/uploads/1/3/2/7/132710780/8179355.pdfIn PDF document text
- http://files.michelleprocida.com/uploads/1/3/1/8/131856907/dimin.pdfIn PDF document text
- http://files.nabasco.net/uploads/1/3/2/7/132741029/f90f472e19926.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/1/0436/0873/5907/files/tobenefezapakipaxat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3297/3205/files/sizajululonif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8803/5486/files/bifuzuxasokujugid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7483/7925/files/canon_eos_60d_user_manual_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2807/0052/files/26719002353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6926/8383/files/19366622886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6903/1078/files/82665147332.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7386/2808/files/medical_certificate_for_leave_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3366/4408/files/vawukidudukiraxawafoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9200/1433/files/jotowikejisepilivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lavijado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9906/8310/files/xawilafeduro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6070/6971/files/artist_bio_template.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000118a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118A2 | 5160 bytes |
SHA-256: 95186d4cc2c23a9868e947daeba6c5668d904271c15060feca5fee8377abecd2 |
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font_01_sfnt_off00012a36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A36 | 14912 bytes |
SHA-256: 3e71ec588486b3b57b70409db10dbaa652481208d08bc907c7c654ea6499bcac |
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font_02_sfnt_off000158ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x158EC | 16560 bytes |
SHA-256: a53204d173b45f95b8d4984f981fa84155fae23d83d27598e950ec72f8449fb9 |
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