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'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to a Shopify domain. The ML classifier strongly indicated maliciousness. The document body, though partially corrupted, contains the malicious URL and references to other PDFs, suggesting a lure to external content that likely leads to malicious infrastructure.
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/wb?keyword=auto%20or%20manual%20truck In PDF document text
- http://files.crossingovercdc.org/uploads/1/3/1/4/131437139/a7f961483.pdfIn PDF document text
- http://nuxode.littleacornsgodstone.com/uploads/1/3/1/3/131379578/jurejalegi-lexatajuvekeda.pdfIn PDF document text
- http://files.mentalhealthjunkie.com/uploads/1/3/0/9/130969241/4180528.pdfIn PDF document text
- http://dotagodo.congsupport.info/uploads/1/3/2/7/132710797/97fb0fe7448b86.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/1/0437/8099/7269/files/hodgdon_reloading_manual_2017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6876/7907/files/importancia_del_aprendizaje_colaborativo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9880/7202/files/heart_centered_leadership.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/xesogefujadojepaxawudivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9485/2252/files/43369157677.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/2935/1835/files/bartleby_the_scrivener_summary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7598/3765/files/18177203827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8277/6729/files/estrategias_de_afrontamiento_del_estres.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8886/1602/files/strength_of_materials_by_rk_rajput.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sefumiwizekoreletete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8721/7319/files/ropumovagab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1593/7948/files/zatid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8998/3640/files/nusozimilakajijewirome.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000678b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x678B | 4536 bytes |
SHA-256: 9e59ecc4925458c4874dcbc6161f939210400c8cdbc27b5e3c0b89b176ad222b |
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font_01_sfnt_off000076c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76C9 | 10756 bytes |
SHA-256: 533e2fb3885c48fa7184a2df3586a9504c56c60187f0af7438665ddd92c0d3a9 |
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font_02_sfnt_off00009b17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B17 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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