MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, contains the same redirector URL and other URLs hosted on Shopify and custom domains, suggesting a link farm or phishing lure. The ML classifier also 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.com/wb?keyword=join%20pdf%20files%20c# In PDF document text
- http://files.parkpostoffice.com/uploads/1/3/1/4/131453592/3767340.pdfIn PDF document text
- http://files.geyserlandcatclub.co.nz/uploads/1/3/1/4/131453034/gabiruremuzamef.pdfIn PDF document text
- http://files.selplasticpallet.com/uploads/1/3/2/3/132303229/bitizugele.pdfIn PDF document text
- http://files.mcnamaragypsies.com/uploads/1/3/1/8/131871902/5867189.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/1/0433/0687/7080/files/kawovuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8704/3496/files/soboxotamosozupebivir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/gepitilusenopekinupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1959/2103/files/jowuwabojejer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7870/3511/files/32021800453.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3983/3767/files/rusonifabulexiwegejabaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3260/0985/files/95525362406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4447/0945/files/40472155678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/10711925173.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7863/8999/files/86233300856.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7303/6697/files/baldur_s_gate_ee_walkthrough.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0383/8615/files/zalerubatakiloka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3019/9966/files/wufupitibegenavokiw.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D6B | 4832 bytes |
SHA-256: 2bba545d1da81f1c9c87a9d6ff5c067b8bdcb5f91ee178e4c7bfe36520d46532 |
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font_01_sfnt_off00006df0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DF0 | 12656 bytes |
SHA-256: 21d289b3f753674bf119b63b2c62a98482044bce760ed817688384a3d6e96121 |
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font_02_sfnt_off000096d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96D7 | 16312 bytes |
SHA-256: bf8f9ece8d9d74ce2d7a98a07ee1bb8f4056faf702b3b1702118181e85f1b939 |
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