MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body also contains this URL, disguised as a search result for 'believer sheet music free pdf'. This suggests a social engineering lure to direct users to malicious infrastructure. The file also contains a large number of external PDF links, many hosted on Shopify, which is indicative of a link farm or SEO poisoning technique. No scripts were extracted, and the PDF structure itself does not reveal further malicious intent beyond the embedded links.
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.com/pify?keyword=believer+sheet+music+free+pdf In PDF document text
- http://files.spanishschoolbus.com/uploads/1/3/2/6/132681772/a078f317.pdfIn PDF document text
- http://files.ghitaandersen.com/uploads/1/3/0/8/130874217/demegafileduvo.pdfIn PDF document text
- http://files.spittpassion.com/uploads/1/3/1/8/131871518/4c4ff.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/1/0434/8067/8564/files/fumadekanuwer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4395/3563/files/volkswagen_cross_fox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1969/6288/files/the_origin_of_apartheid_in_south_africa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7228/9944/files/febavosutomisog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2799/6565/files/jaderifevipab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1932/2022/files/gozemusibitotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9740/0223/files/managerial_accounting_braun_tietz_4th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/56981889128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/0871/5940/files/tell_about_yourself_in_interview_for_freshers_with_answer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4016/2470/files/wofazupalumogonopasamag.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007664.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7664 | 5296 bytes |
SHA-256: 4d4ef7a0a7e74acc38f1149d1d2765d77e6ca282b8d234480fc658b5108e49df |
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font_01_sfnt_off00008850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8850 | 10492 bytes |
SHA-256: 5b89d8c34de408d8f1c58fa4ae3cdeaa164cd42004f5668ca38cdd02bc2fd868 |
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font_02_sfnt_off0000ac77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC77 | 16100 bytes |
SHA-256: 84650fe671c70ac66f3af0994468c9b9feb42d01905b0f030d5781e095ef8e52 |
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