MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a deceptive call-to-action disguised as a 'bass guitar chord book pdf' download. This lure directs users to a malicious redirector URL, ttraff.com, which is likely part of a phishing or malware distribution chain. The presence of numerous external PDF links, many pointing to benign Shopify domains but some to unknown domains, suggests a link farm or SEO poisoning tactic to obscure the malicious destination. The document body itself contains obfuscated text and embedded URLs, reinforcing the malicious intent.
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.com/pify?keyword=bass+guitar+chord+book+pdf In PDF document text
- http://peruxi.newenglandsunroomrepair.com/uploads/1/3/0/7/130775934/jomekem_galun.pdfIn PDF document text
- http://files.mrburkholder.com/uploads/1/3/1/6/131606165/12493d891.pdfIn PDF document text
- http://files.mygabrielagarcia.com/uploads/1/3/2/7/132740260/xokopo.pdfIn PDF document text
- http://zutenez.jumpinrealestate.com/uploads/1/3/2/8/132814930/ropegel-xaremifofe-rupudonura.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/1/0435/4798/4026/files/total_addressable_market_calculation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0091/2278/files/75795186482.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/2269/9943/files/attestation_d_accueil_algerie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2992/1943/files/16699993304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6772/7269/files/canon_kalimba_tab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2296/7207/files/git_clone_recursive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8357/files/siroruragusofinogejovagos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8076/0990/files/88116565886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6635/2028/files/kotilamov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/99425969244.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5595/5613/files/98304613654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3400/8987/files/93302240056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3152/7575/files/zavapirorezufu.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_off00006217.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6217 | 5636 bytes |
SHA-256: dbb2c970c916ce7c3171e0cc05c691ebb6222c1d2f18607215e2296e0a90426f |
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font_01_sfnt_off0000752e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x752E | 10292 bytes |
SHA-256: 05e65f807f36eb77c4a22599d2451c5aab07e1e691c809a5e0bf2c66a2cf379e |
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