MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a known malicious redirector, identified as 'ttraff.cc'. This redirector is likely used to obscure the final destination, which could be a phishing page or a malware download. The document body, though heavily obfuscated, contains text that attempts to mimic a legitimate document, such as 'Sample agreement form for lending money', combined with urgency lures, suggesting a social engineering tactic. The ML classifier also strongly indicated maliciousness.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=sample+agreement+form+for+lending+money In PDF document text
- http://files.working4god.org/uploads/1/3/0/8/130874210/104be7.pdfIn PDF document text
- http://files.w-here2stay.org/uploads/1/3/1/0/131070718/runalotada_tigiribuzobare.pdfIn PDF document text
- http://luvoxig.formlessmcr.com/uploads/1/3/0/8/130874359/e1e9094b61d42.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/1/0429/7926/2615/files/25400431103.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9713/6030/files/72669048581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9538/3461/files/91674523734.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4557/6088/files/kogolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8734/0454/files/bakuji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/bifakexomobifovawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9302/4149/files/fallout_4_ign_wiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8747/9455/files/animator_app_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6827/7415/files/xidinarelabufaziv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9190/1081/files/fimew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5883/2294/files/novosu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6546/5245/files/probability_theory_and_mathematical_statistics_by_marek_fisz_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3865/3086/files/91231678375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7691/9194/files/visegowi.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_off000074b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74B2 | 5388 bytes |
SHA-256: bd334dbd6f5bf2034022ae401335a5ed1ff0e41c722ceb807792b17ef4c8f510 |
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font_01_sfnt_off000086ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86EF | 9912 bytes |
SHA-256: 460a01171496067f0549d78f8b199e43c3bbbe66eb8290d0fdcb83fd39787fa9 |
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