MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which points to 'ttraff.cc'. This URL is likely used to lure victims into downloading further malware or engaging in fraudulent activities. The document also contains a large number of embedded links, many hosted on Shopify, which is characteristic of SEO-based link farm techniques used to distribute malicious content or improve search engine ranking for malicious sites. 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.cc/pify?keyword=data+structures+and+algorithms+in+java+for+beginners+pdf In PDF document text
- http://files.comobnp.org/uploads/1/3/1/3/131398515/rozajizovaka.pdfIn PDF document text
- http://files.cninc.org/uploads/1/3/2/7/132740479/5324237.pdfIn PDF document text
- http://files.liminalstudies.com/uploads/1/3/1/0/131069886/pobutozovat-xobipamizu.pdfIn PDF document text
- http://files.mysmellysocks.com/uploads/1/3/0/8/130874162/dcf54632367f2.pdfIn PDF document text
- http://files.psychosocialresearchgroupunsw.org/uploads/1/3/2/7/132741081/rizetid.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/1/0430/0167/5939/files/kegarorojexatipesag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5993/7434/files/gufozifoxubuligejegami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9945/5642/files/xowumagobatis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6772/8279/files/43466023521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wonazonuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3684/3933/files/kubanope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7345/2697/files/ruvewafizizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3378/6525/files/pamapaxuvodojoroted.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5276/0224/files/89204881639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8174/1976/files/83936585540.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0469/0581/files/gulin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5792/9622/files/48630715060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81256704061.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_off0000713e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x713E | 5724 bytes |
SHA-256: c324494ae3dd70f1adcbccf41ad549926f640875fe6df196e5ec9abdfc3607b6 |
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font_01_sfnt_off0000848e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x848E | 9980 bytes |
SHA-256: d65c634f02612efb46a94ce8df6aa660068a6e88ada43802bfddf02b0c209e0a |
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