MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'ttraff.cc'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links pointing to external resources, including a prominent link to a Shopify domain. The ML classifier strongly flagged this PDF as malicious. The embedded content, though heavily obfuscated, suggests an attempt to disguise the malicious links as legitimate content.
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.cc/wb?keyword=music%20notes%20and%20values%20worksheets In PDF document text
- http://files.milwaukeecharteradvocates.org/uploads/1/3/1/4/131452840/fekobagedetip-rujegajobe-tibuz-zubonafanewuwi.pdfIn PDF document text
- http://files.spanishrecipeswithsofia.com/uploads/1/3/2/6/132683400/6715647.pdfIn PDF document text
- http://files.marieliterary.com/uploads/1/3/1/8/131871977/gomajapinoj.pdfIn PDF document text
- http://files.northumpquariverhouse.com/uploads/1/3/0/7/130740260/gezuwadili_vipug_jogofejasefiwu_falamobetuvid.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/1/0441/2493/0200/files/86790735741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2955/3575/files/68644980337.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8529/9874/files/99871916534.pdfIn PDF document text
- https://sekugonizavo.files.wordpress.com/2020/06/56971960908.pdfIn PDF document text
- https://koxopovobepe.files.wordpress.com/2020/07/fadinirod.pdfIn PDF document text
- https://fakenigali.files.wordpress.com/2020/06/7753163780.pdfIn PDF document text
- https://xakovuwer.files.wordpress.com/2020/06/duderurazukugokilokufof.pdfIn PDF document text
- https://wubigixetoso.files.wordpress.com/2020/07/xinitafefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4663/3621/files/subunexeruwituze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8628/9832/files/98156685817.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1722/3840/files/xikolub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9903/7595/files/24429402689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1865/7697/files/73397621594.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8298/1281/files/sikigularufofalom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1395/6006/files/60026954112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1810/0637/files/25994128987.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_off0000a93d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA93D | 5128 bytes |
SHA-256: 3443ae2e66c2a092ff0d2a814cde6824f96efd7b8110da63369e3254129c4a13 |
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font_01_sfnt_off0000bab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAB9 | 10028 bytes |
SHA-256: ee83d6b1b0abb1c839c555b75460fb0f4e13fe55400431bf58b3f3deeb5a0d2b |
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