MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) that is known to host malicious content. The document body, though heavily obfuscated, contains a reference to the same redirector URL, suggesting it is the primary lure. The ML classifier strongly indicated maliciousness, and the heuristics confirm the presence of malicious redirector links and a link farm.
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=biugo+video+maker In PDF document text
- http://files.superdogdoodles.com/uploads/1/3/1/3/131398533/pavonaj-xelubo.pdfIn PDF document text
- http://files.abundanceworldwide.org/uploads/1/3/1/4/131483279/pazozemexijejavuwilu.pdfIn PDF document text
- http://files.unorthodoxphilanthropy.org/uploads/1/3/1/8/131872079/fc8b4ce6cf.pdfIn PDF document text
- http://xazura.nplwest.com/uploads/1/3/0/8/130814328/fizotoxizonuse.pdfIn PDF document text
- http://files.petermiyamoto.com/uploads/1/3/1/4/131453252/20c293da8e24.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/1/0433/5117/9416/files/87743122224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1525/6738/files/75738496150.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9162/4096/files/94324104466.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6678/5949/files/fupesojupevikugipit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1021/2518/files/bonum_est_confidere_spartito.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8161/9861/files/church_of_christ_bible_study_lessons.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9633/4753/files/gigaxosemiwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7532/9441/files/diablo_2_cheats.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1216/1685/files/honeywell_th8321r1001_installation_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9752/2329/files/34493122133.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7464/0286/files/tupeteguguwudowefogupemup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1674/8188/files/arabic_hebrew_dictionary.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_off00005832.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5832 | 5108 bytes |
SHA-256: b5763e2573fa161e0aa014c92878aec52aa61b397890e8d909712293d05b1f8e |
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font_01_sfnt_off0000697e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x697E | 6948 bytes |
SHA-256: ecd9ca3c9dc3f44982b631c3758a4c09ac5f21827cbfad791582ef4a08fe5959 |
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font_02_sfnt_off00008223.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8223 | 10364 bytes |
SHA-256: dde94b3b0790ce4ecda99a645ab34b74a61162ee47f9fde8b3d2b2c33fe18475 |
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