MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, 'https://ttraff.com/pify?keyword=5-+2+bisectors+of+triangles+answer+key', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a lure to a malicious site. The ML classifier also flagged this PDF with high confidence.
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=5-+2+bisectors+of+triangles+answer+key In PDF document text
- http://files.valleychurchlife.com/uploads/1/3/0/7/130774965/wemamedafeb_metivirokiked_gesob.pdfIn PDF document text
- http://lavito.badassmaui.com/uploads/1/3/1/3/131384169/3a8985181762.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/1/0431/8350/5570/files/rokudofodavusedoleka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/46969602612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6405/7238/files/crawl_game_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7618/1400/files/ludifovenu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0743/4142/files/48712414282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6775/2100/files/xujiviwabew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9109/0844/files/eba_outsourcing_guidelines_feb_2019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1310/2998/files/93603295448.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/3789/5325/files/99292310712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6896/2469/files/72454449140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0564/8791/files/82392908919.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/1160/9500/files/financial_agreement_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0301/0468/files/fomijizorabuvixila.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000070d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70D0 | 5640 bytes |
SHA-256: 72ece9eb70b7f00cd937b7eef3c66bed08bb660a38d724588b800692ad22a8b5 |
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font_01_sfnt_off000083ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83EF | 6168 bytes |
SHA-256: be917c0db7373273820b965e09a90eb2fe17fe2eb699b6f9fe1ec8b3b19cfce3 |
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font_02_sfnt_off000092dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92DC | 11672 bytes |
SHA-256: 8e3e3342ed8a96591e97b0a1d2f297f55dd575a947f97a84389105dd80a3188d |
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font_03_sfnt_off0000b9e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9E0 | 16072 bytes |
SHA-256: 24c5c481937acf4f4841e6563a6d7a18cfdb810806c94b09ac0ff4033348c1e6 |
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