MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=abrsm+piano+grade+1+pdf'. This URL is presented within the document body, disguised as a link to an 'Abrsm piano grade 1 pdf'. The PDF also contains a large number of external links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic to distribute the malicious content. The primary intent appears to be redirecting users to malicious infrastructure.
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=abrsm+piano+grade+1+pdf In PDF document text
- http://files.alignwellnessatl.com/uploads/1/3/0/8/130813821/gexitolirojijefodo.pdfIn PDF document text
- http://files.warriors4god.com/uploads/1/3/1/4/131409574/3091075.pdfIn PDF document text
- http://files.fabulousfacecreations.com/uploads/1/3/1/8/131856065/3c286952c5ba.pdfIn PDF document text
- http://files.fcccamp.org/uploads/1/3/1/8/131857315/694c181.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/1/0433/0687/7080/files/bapumonotirugapagemuzigin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7826/3718/files/4780489263.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0844/8919/files/regizidizijedasizupinafof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5639/0559/files/napagevedekobepowawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9843/7787/files/nada_boat_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9804/4568/files/gasigedokejir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2240/1185/files/jabawasixodemur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9334/3902/files/kiss_me_quick_nathan_sykes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2232/5672/files/fundamentals_of_computer_graphics_4th_edition_github.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7902/5318/files/sebojekojowagikolud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2642/2687/files/85929210216.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4854/8005/files/lateral_thinking_puzzlers_paul_sloane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3305/1814/files/96570103731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7076/6750/files/fesezixojifep.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_off00006a6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A6E | 5512 bytes |
SHA-256: 735498c8252b8092070203f3d1248390ff600206c1b9eaf89d76df879d11eec1 |
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font_01_sfnt_off00007d0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D0A | 11112 bytes |
SHA-256: f4f9c918d1645135508282f331bafe39006224f138dddec848dddbf591013949 |
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