MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text related to 'aircraft engineering books free' and the malicious URL. The primary malicious URL is 'https://ttraff.ru/pify?keyword=aircraft+engineering+books+free', which is likely used to redirect users to further malicious content. The presence of numerous links, including one pointing to 'cdn.shopify.com', suggests a link farm or redirection scheme designed to obscure the final malicious destination.
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=aircraft+engineering+books+free In PDF document text
- http://rifesotim.yorkregioninjurylaw.com/uploads/1/3/0/9/130969744/ef107897.pdfIn PDF document text
- http://molez.paradiselawngarden.com/uploads/1/3/1/4/131453501/kudikomerabopeninulo.pdfIn PDF document text
- http://files.tepeyacconsulting.org/uploads/1/3/1/4/131406604/komipefoxiw-desobogiti-divamigu-dagediv.pdfIn PDF document text
- http://files.kellysporthorses.com/uploads/1/3/1/3/131398498/3347995.pdfIn PDF document text
- http://files.uusouthsuffolk.org/uploads/1/3/1/4/131437508/dejokoziwo.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/1/0432/8954/2809/files/wexerosazaxufimej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4593/6534/files/sagiwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0571/4338/files/jemopowimobipaxigif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2400/6823/files/algebra_and_trigonometry_8th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8056/2326/files/persona_5_dialogue_choices.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8066/3705/files/detailed_lesson_plan_in_filipino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2737/1931/files/83911475654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9689/7704/files/rinekujumigefinasejobisaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4464/1695/files/40110970180.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5300/6494/files/jazizetewapif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/what_is_cheatbreaker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9866/9220/files/41562421232.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3765/5191/files/cardiopatia_ischemica_cronica.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_off000062a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62A2 | 5212 bytes |
SHA-256: b5482cc67492873d5faebc7471b1fca3594bf823f13575635643696b29a4cbbd |
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font_01_sfnt_off00007466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7466 | 10296 bytes |
SHA-256: 9c8bb07f00eb96695f2649554144087fedec15d97ac081ebcbdd358c89cfcbeb |
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