MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a link to a redirector URL (ttraff.ru) which is flagged as malicious. Additionally, it hosts a large number of links to other PDFs on Shopify domains, suggesting a link farm for SEO manipulation or to obscure malicious destinations. The document body, though heavily obfuscated, appears to be a lure related to 'Giant bikes size guide nz', and a heuristic indicates a callback phishing or tech-support scam pattern. The presence of numerous embedded URLs points towards an attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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=giant+bikes+size+guide+nz In PDF document text
- http://files.krisjost.com/uploads/1/3/1/6/131636990/xekufokipowaxazozo.pdfIn PDF document text
- http://files.juliathepotter.com/uploads/1/3/1/4/131453348/zajof_kituzatukuzaku_tubumax_nuvajisak.pdfIn PDF document text
- http://files.oregonceramicassociation.com/uploads/1/3/1/8/131871980/7379e.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/1/0429/7926/2623/files/ropaxuko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3293/5574/files/lovizafegu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8774/9529/files/80202043561.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3414/0056/files/32428246639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2011/6380/files/topufuzuxitovijas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/suwelagukokemofidoxup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7562/4350/files/pirusadujexonepuxaxal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9452/3552/files/lijoribanututi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7237/3411/files/43086010113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4379/0760/files/23501967799.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3279/7603/files/9513710428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kikurum.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_off0000735f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x735F | 4920 bytes |
SHA-256: 75aaee853541b601284b67fdae7cadacf9d138d5a31f93ac4e0befe66c57ab96 |
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font_01_sfnt_off00008437.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8437 | 10696 bytes |
SHA-256: a98ea7e439c3d0f45a462216865fbfbe138e566ea84c5015201cd2b57e5ff21f |
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