MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text referencing 'Airfoillabs 172 manual' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a large number of external PDF links, many hosted on Shopify, further supports the SEO link farm heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=airfoillabs+172+manual
- http://files.sswonline.com/uploads/1/3/1/1/131163879/c23e36c820b650a.pdf
- https://cdn.shopify.com/s/files/1/0437/0399/2474/files/79269870176.pdf
- https://cdn.shopify.com/s/files/1/0432/0290/4222/files/wovatezafabutexow.pdf
- https://cdn.shopify.com/s/files/1/0452/8714/5634/files/relogupoj.pdf
- https://cdn.shopify.com/s/files/1/0434/0505/0021/files/83295800464.pdf
- https://cdn.shopify.com/s/files/1/0433/8650/3324/files/miresaw.pdf
- https://cdn.shopify.com/s/files/1/0433/0084/7781/files/48102875738.pdf
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/fenovogodopofadugid.pdf
- https://cdn.shopify.com/s/files/1/0435/2281/8200/files/81483315877.pdf
- https://cdn.shopify.com/s/files/1/0428/5834/8703/files/zezex.pdf
- https://cdn.shopify.com/s/files/1/0439/0027/2792/files/rebecca_wright_io_tillett_wright.pdf
- https://cdn.shopify.com/s/files/1/0438/6829/1232/files/cisco_jabber_12._7.pdf
- https://cdn.shopify.com/s/files/1/0431/0722/1661/files/65544486486.pdf
- https://cdn.shopify.com/s/files/1/0428/6880/1702/files/53139796953.pdf
- https://cdn.shopify.com/s/files/1/0436/0162/5252/files/business_proposal_template.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xikosimuzewenox.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061d9.bin3c2f9a407a64a5ceee19fc702c624ba0ed91fae2387f0665d6cc45f2c4ab8b6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61D9 | 5308 bytes |
font_01_sfnt_off000073d3.bin7728bf7d2570b3bee87c0159d1768087d9d696ac2ef0abae34cc348cb98c5c45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73D3 | 9840 bytes |
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