MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links, many of which point to a redirector service (ttraff.ru) that is flagged as malicious. The document body itself appears to be obfuscated or corrupted, but the presence of these links strongly suggests a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=list+of+all+continents+and+their+countries+pdf In PDF document text
- http://files.venueonthesquare.com/uploads/1/3/1/3/131397955/cf1959.pdfIn PDF document text
- http://files.moscofilia.com/uploads/1/3/1/4/131453251/6954ff6f936e.pdfIn PDF document text
- http://files.australianamateurperformercompetition.com/uploads/1/3/1/3/131379211/5704048.pdfIn PDF document text
- http://files.abandonedbutnotforgotten.net/uploads/1/3/1/0/131070602/liwotawavurozora.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/1/0434/2621/8136/files/76776280879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0607/3759/files/effortless_mastery_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/68598236846.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0489/5143/files/pevukufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/wajumilavomojibezosisov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/6433/2181/files/download_breaking_dawn_part_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4311/0555/files/pufesolagiriravigufurona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0675/4970/files/durufipukebesenox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/36367731299.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8492/2526/files/gozolulogonurobuvisenisad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9582/6336/files/nezagubuganudoxewebake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9254/8511/files/bupufonipi.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_off00006ab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB4 | 5184 bytes |
SHA-256: 218069390181b3d9bd4dd35e8107a65f703490027fcbeaae0ff6220fa2004a49 |
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font_01_sfnt_off00007c50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C50 | 10436 bytes |
SHA-256: 353d7a487da4c6f07ca975329a560c2023c77f0a9ad0b63d7546e787a3b11499 |
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