MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector URL (ttraff.ru) that is flagged as malicious. The document body also contains the malicious URL, suggesting an attempt to disguise it as a legitimate search result for a technical document. The presence of numerous Shopify links, while some are benign, indicates a link farm strategy to obscure the malicious destination. No scripts were extracted, limiting the analysis of direct execution capabilities.
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=applied+regression+analysis+wiley+series+in+probability+and+statistics+pdf In PDF document text
- http://files.earthartbalance.com/uploads/1/3/0/7/130775918/3283731.pdfIn PDF document text
- http://files.asmuyaocommunityschool.com/uploads/1/3/2/7/132740743/324409.pdfIn PDF document text
- http://files.martinlodge624.org/uploads/1/3/2/6/132695525/dijafukesemotapuvon.pdfIn PDF document text
- http://files.bloomingtoncenterformindfulness.com/uploads/1/3/1/0/131069934/paror_sapiser_xodenojipaf.pdfIn PDF document text
- http://files.thedinopark.com/uploads/1/3/2/7/132740415/6535022.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/1/0437/4695/1319/files/computer_lab_technician_interview_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1297022614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7218/4732/files/50691758011.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6123/1262/files/zanipomotetedoraz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7061/1861/files/benapufosugaravoderodur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4823/9257/files/30405605655.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7392/9378/files/bheemili_kabaddi_jattu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pizegavegip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89965927340.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3692/5342/files/tmux_resize_pane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6415/5560/files/blagues_carambar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5570/1398/files/telecharger_les_journaux_algeriens_d_aujourd_hui_en.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7739/4847/files/vubadenowinajenosij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/college_diploma_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wojilezufaguxulidumusad.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_off00006d70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D70 | 5648 bytes |
SHA-256: b412e6f9facbbfad85801c9dcbcbcfb38964144f3c2848a19d199964c9b42ac8 |
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font_01_sfnt_off000080c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80C9 | 10276 bytes |
SHA-256: 85bb3ab47f0023d1f57f56f0e1eaaf647237914bde8080d99e189fadbf4aef98 |
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