MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to 'guitar pro tutorial pdf', indicating a phishing or scam attempt. The presence of a large number of external PDF links, many hosted on Shopify, further supports the idea of a link farm designed to drive traffic to malicious sites.
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/wb?keyword=guitar%20pro%20tutorial%20pdf In PDF document text
- http://files.jazdesignphotography.com/uploads/1/3/0/8/130814459/9010870.pdfIn PDF document text
- http://files.dysoncommunications.com/uploads/1/3/0/7/130775623/b5d6367eee.pdfIn PDF document text
- http://files.kevinmoldenhauer.com/uploads/1/3/1/4/131483305/8169249.pdfIn PDF document text
- http://files.bsa713.com/uploads/1/3/0/7/130738657/0aecd.pdfIn PDF document text
- http://files.atech401.com/uploads/1/3/0/7/130775016/3519656.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/1/0434/5564/3813/files/dukivunosejapuvadefevu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1705/1048/files/bidukuxiriwarubiguw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6067/4198/files/23562090437.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1715/9335/files/61421283929.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8547/1656/files/59178645712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4947/6518/files/jomurux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3701/5719/files/tegajugasip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6965/1606/files/19657841504.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/8172011999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0180/7007/files/kogasasixalokixosufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4899/files/tudimarofojagad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/fexipujugeti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7230/5817/files/98470071998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8808/5143/files/mokemafakenonuno.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_off00007e48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E48 | 4544 bytes |
SHA-256: 72e72a7b29bec81e3ff5b0f16e48bb094120dc6eecad7b56cb414935922f43c9 |
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font_01_sfnt_off00008dcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DCC | 12352 bytes |
SHA-256: 832eca75057fe2c27c18313caac505c345944d7b103939cd5e485e7b66161169 |
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font_02_sfnt_off0000b435.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB435 | 16312 bytes |
SHA-256: b2563e85233037e3c2780690ed1455257f868516b5a962e54e6ffe29314c9cb1 |
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