MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.ru) which is flagged as malicious. The document body, though heavily obfuscated, contains a reference to the same malicious URL. This indicates a likely attempt to redirect users to a malicious site, potentially for phishing or malware delivery, leveraging a link farm strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=ammocoete+larva+pdf In PDF document text
- http://files.talkingaac.org/uploads/1/3/2/8/132814989/aa300.pdfIn PDF document text
- http://files.jovanmays.com/uploads/1/3/1/6/131606687/8438844.pdfIn PDF document text
- http://files.buddycushmanfineart.com/uploads/1/3/0/7/130776484/zetuxolariweke.pdfIn PDF document text
- http://files.obsessivecompulsivedetailing.com/uploads/1/3/1/3/131383943/1de206c9707.pdfIn PDF document text
- http://files.kathrynemyoung.com/uploads/1/3/1/0/131071076/porewuvofadaxa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0436/2141/7122/files/susizelim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8399/6063/files/weginorobiladizewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7139/6257/files/nomenclature_of_benzene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7439/4014/files/basic_components_of_air_conditioning_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/6529125976.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8416/9894/files/bilevojigesifomativa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6232/0536/files/54204205661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7045/5957/files/payment_acknowledgement_letter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2190/9662/files/natepebepefemimupepatet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8794/6133/files/22121735134.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7467/4083/files/kojobipuluruvubeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4196/2649/files/kotepanukizipedopizope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8226/1415/files/92431282918.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD71 | 3760 bytes |
SHA-256: 01b01b52c397a3145400d45de18ec25767792d683e9b5e39fd1dd34aa6fb59de |
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font_01_sfnt_off00010ac8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC8 | 4804 bytes |
SHA-256: 1322bcd8bc790ab266548527533445a51d0ccba6cbd750f18bba2cc4759090b4 |
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font_02_sfnt_off00011b17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B17 | 1716 bytes |
SHA-256: d0242708a560573c479765b003d2a197f1cdf862168e50cdb318aff96325fd4e |
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font_03_sfnt_off000123be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123BE | 14932 bytes |
SHA-256: 2bc4796302519f397efadbd47abc47becd18c6b836bfd1007002a1ec1c6bd5db |
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font_04_sfnt_off000152c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152C3 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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