MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to Shopify domains, but one critical link to 'ttraff.ru' which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=grade+12+maths+probability+notes+pdf', suggesting a lure to download further malicious content disguised as educational material. The ML classifier strongly supports the malicious nature of this PDF.
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=grade+12+maths+probability+notes+pdf In PDF document text
- http://files.bradenriverpirateffa.com/uploads/1/3/2/6/132682030/fuvido_gazukud_xojumekibululus.pdfIn PDF document text
- http://files.friendsofhoddlescreek.com/uploads/1/3/2/8/132815979/gijip-nepefeweb.pdfIn PDF document text
- http://files.keithlienert.com/uploads/1/3/1/6/131636914/3208263.pdfIn PDF document text
- http://files.reefencounters.org/uploads/1/3/1/3/131379042/mepakujef.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/1/0430/7949/9940/files/vanimekabunopove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2507/2282/files/nightjohn_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4478/9669/files/beden_dili_oku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/2844/3299/files/i_am_a_warrior_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4146/3189/files/tarasogewovodaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2563/6248/files/zupawet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2816/0418/files/98489265527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9963/4328/files/44610165553.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/libidurekatomanazavevufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8992/9116/files/53031804738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0252/7895/files/90000814408.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3428/0087/files/92809693843.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_off00007d81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D81 | 5736 bytes |
SHA-256: ddb120c9ffb70c8b1f8bb594fed5ec9992b28e3ccd0633929bb490d71a5d6325 |
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font_01_sfnt_off000090e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90E1 | 15848 bytes |
SHA-256: 8795cdcb6b94e6ba1e6f9d50ede05a7f1ce6468515b6a347e96a3992a62d2799 |
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font_02_sfnt_off0000c2f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2F4 | 16236 bytes |
SHA-256: 18d666397a66ac242b850956d18ba33b32d376374abf608e9b57c1a0da462306 |
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