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, specifically pointing to 'https://ttraff.ru/pify?keyword=barbour+t+shirt+size+guide'. This URL is embedded within the document body, suggesting a social engineering lure to trick users into clicking it. The PDF also contains a large number of external links, many of which point to Shopify domains, but at least one is hosted on a suspicious domain ('files.centelmedia.biz'). The ML classifier strongly indicated maliciousness.
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=barbour+t+shirt+size+guide In PDF document text
- http://files.centelmedia.biz/uploads/1/3/2/6/132695360/28aee496d305c.pdfIn PDF document text
- http://files.milkearlyparentingsupport.com/uploads/1/3/2/7/132712011/tidap.pdfIn PDF document text
- http://files.lucindaroweart.com/uploads/1/3/1/3/131380000/4228b0f.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/1/0437/6756/2392/files/19900584117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1228/4831/files/81157779241.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1374/1472/files/5070953956.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8814/0696/files/len_function_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4583/9271/files/reading_comprehension_worksheets_grade_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1437/4054/files/wedadubog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/gta_libertycity_stories_psp_cheats.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6660/5211/files/bigilaripopirolivusidotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0582/9532/files/tuxex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0924/4316/files/9168583942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8394/6397/files/fuwete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3729/4741/files/wefana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8472/4889/files/nepipivozorajabasevinopoz.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_off0000694f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x694F | 5072 bytes |
SHA-256: a65bc362cdace39c1bdbbd87a3cec44f622ea2c067ddc0bee52bc1250d271f33 |
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font_01_sfnt_off00007aa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA9 | 14216 bytes |
SHA-256: 66b6ebe7fbaf88dd6085d4b4b545f4d5d254fabfd5f8604c38c156b456fa270e |
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font_02_sfnt_off0000a6e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6E5 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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