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 'https://ttraff.ru/pify?keyword=catia+training+report+pdf'. Additionally, it exhibits a PDF link farm heuristic, with numerous links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains references to the redirector URL and a benign-looking PDF URL, suggesting a lure to disguise malicious intent. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of a phishing or malware delivery attempt.
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=catia+training+report+pdf In PDF document text
- http://files.learningforlittlepeoplepreschool.com/uploads/1/3/1/6/131606392/eb08ac245ae3ac.pdfIn PDF document text
- http://files.walkonuniversity.com/uploads/1/3/2/7/132740852/durulewo_putugukunep_ronomuxozewedit_pazaritopefovab.pdfIn PDF document text
- http://files.enimun.org/uploads/1/3/0/7/130740496/9151878.pdfIn PDF document text
- http://files.the-circle.ca/uploads/1/3/1/0/131070722/5a87eb377df2894.pdfIn PDF document text
- http://files.permittechnation.org/uploads/1/3/0/8/130813448/dosore.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/1/0431/4457/7178/files/sibifiwozogapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5868/3295/files/23685580256.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48975286879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4680/5408/files/nurowube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9232/9119/files/wevejebolamezutoka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9735/0554/files/34188639218.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9503/8877/files/sword_fighting_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3070/0455/files/jeppesen_airway_manual_introduction.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4599/4146/files/tasixokutagepiduvaso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8454/6209/files/judefivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2909/3800/files/xuloxigozeba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6323/8056/files/13668923507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5581/6599/files/xakorujefa.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_off000070e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E2 | 4904 bytes |
SHA-256: 9a27b6744e8458885ddedcf8e1a5ea71aa4c029f1b6ad85698581c8e356611f3 |
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font_01_sfnt_off000081a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81A3 | 10112 bytes |
SHA-256: 5f3b41ae22d7bb3b3227dda5ab3a428a36421c768eb92a94ebb9fe2568cce36a |
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