MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.cc) that is flagged as malicious. The document body also contains the same redirector URL, suggesting an attempt to trick users into clicking it for a 'free download'. The presence of multiple Shopify links, some benign and some potentially malicious, indicates a link farm strategy. 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.cc/pify?keyword=little+house+in+the+big+woods+pdf+free+download In PDF document text
- http://biwuroko.riefcanada.com/uploads/1/3/0/7/130739561/dilusorob.pdfIn PDF document text
- http://files.visionworksmultimedia.com/uploads/1/3/1/3/131379183/mivenuzigufogoweb.pdfIn PDF document text
- http://dafes.alliedavison.com/uploads/1/3/1/6/131606255/9352362.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/1/0428/9835/8432/files/47184882359.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0183/9775/files/national_lampoon_s_barely_legal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3058/5239/files/21237602188.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3645/0717/files/naruto_shippuuden_episode_77.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3437/0470/files/corrupted_file_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6627/8556/files/rijomobevojirorunevor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6539/2804/files/mujafawajokofanebenujijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2585/8714/files/49277130652.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0243/6512/files/maguleleremaxomokefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5905/9605/files/ds3_ancient_wyvern.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0491/9971/files/java_aptitude_questions_and_answers_for_freshers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6182/0054/files/98198855370.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rewosegukedisupagur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0564/8807/files/chapati_recipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4252/9695/files/15813071402.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_off000069b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69B2 | 5476 bytes |
SHA-256: 0e29ca8d5573c9263f98804f90ff7f70d63029f3721b0cc84b0ae10107bf99ce |
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font_01_sfnt_off00007c55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C55 | 10112 bytes |
SHA-256: 2ea924ef0b9aae76e793062b8ca56c4b9f81eaa5ae4696709c56892e432e7e8a |
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