MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=standard+papierformate+usa'. The document body, though obfuscated, contains text related to document formats and the redirector URL, suggesting a lure to trick users into clicking through to malicious infrastructure. 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.ru/pify?keyword=standard+papierformate+usa In PDF document text
- http://mudon.lifeinthetumbleweeds.com/uploads/1/3/1/6/131637814/zatul.pdfIn PDF document text
- http://wivuraxup.premiertruckparts.ca/uploads/1/3/1/4/131407408/lapexabuwudenabogaf.pdfIn PDF document text
- http://wativawi.referendumcentral.org/uploads/1/3/0/8/130874250/c9354d84361d58.pdfIn PDF document text
- http://files.ohmog.org/uploads/1/3/2/3/132302872/7451493.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/1/0428/4727/3116/files/3303576138.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2461/2508/files/tokepewam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9978/2309/files/farming_in_ancient_egypt_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3365/5446/files/vapamabuxuxonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/nokeso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6350/0197/files/nutevoterubanuweboxugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sarexomerowomowubufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1839/4523/files/bamudo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7518/9401/files/narafilepolek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9327/0429/files/heroku_postgres_backup.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCE2 | 8592 bytes |
SHA-256: fea31fc5949ec4fc51d8dc8aae97931cd190b89c6fdfb1170c5d3f5c1c0d3606 |
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font_01_sfnt_off0000d955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD955 | 5256 bytes |
SHA-256: a8d7533605cc572264038141bbab08bbf3221831e3c770c8fbe7cdade97a6d1b |
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font_02_sfnt_off0000eb18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB18 | 16068 bytes |
SHA-256: bdb757b31921da5820ac2a6c5734673e81289deecd8f9c6247fb2fb168faed0f |
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font_03_sfnt_off00011cb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CB6 | 16216 bytes |
SHA-256: adac73dd88a5a13ef13efb485da653fdf085e11bc83e2934f280389a05577f40 |
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