MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a high number of embedded links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm or SEO abuse. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=add+png+to+pdf+document'. The document body also contains this URL and a call-to-action phrase, indicating a likely attempt to trick users into clicking the malicious link. No scripts were extracted, but the presence of the redirector and link farm strongly suggests a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=add+png+to+pdf+document In PDF document text
- http://files.seafaith.net/uploads/1/3/1/4/131437834/7185734.pdfIn PDF document text
- http://files.ourchildrensfund.com/uploads/1/3/0/7/130738998/a4a95affe5cc29c.pdfIn PDF document text
- http://visugawen.barkway-village.org.uk/uploads/1/3/1/4/131407406/sogulapopinome_nukezi_befijaferidavo_gubibegiwe.pdfIn PDF document text
- http://files.meldesignworks.com/uploads/1/3/1/4/131437330/6472602.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/1/0431/6315/6641/files/let_us_c_yashwant_kanetkar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3886/6593/files/article_19_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0749/8647/files/13129617629.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4008/0023/files/download_nuance_power.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1446/3394/files/1773980317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/biological_science_freeman_7th_edition_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9805/files/61984791161.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9121/2950/files/59832373826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0638/5573/files/pufora.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9163/9968/files/difference_between_bolt_and_screw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2469/4939/files/wedilupejesidovurosazi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62CA | 4784 bytes |
SHA-256: 83eb948778f44171c1856ab30d62d7b71909dadd1fe736e4d3dfbcaf57d5d733 |
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font_01_sfnt_off00007300.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7300 | 12696 bytes |
SHA-256: 96aff9aa2eb3dc2034db61855b4f511436f14a2bc5300644df4b95aad05e27d9 |
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font_02_sfnt_off00009c8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C8C | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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