MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a redirector link pointing to malicious infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=carillion+collapse+pdf', which is flagged as a malicious redirector. The presence of numerous PDF links, many hosted on Shopify, suggests an attempt to obscure the final malicious destination. The heuristics indicate a lure related to invoices or urgency, combined with a malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=carillion+collapse+pdf In PDF document text
- http://wunada.untoldtales.net/uploads/1/3/1/4/131453674/3507033.pdfIn PDF document text
- http://files.scenichillvacations.com/uploads/1/3/1/6/131636946/6173456.pdfIn PDF document text
- http://files.garden-of-luminaria.com/uploads/1/3/1/4/131453248/gazusuwa.pdfIn PDF document text
- http://files.strivetothrivewellness.com/uploads/1/3/2/8/132814306/7171617.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/1/0434/9706/2564/files/kumogabusejewidubalaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6538/4866/files/naxesuvegatekinu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5727/5299/files/49449210111.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9880/files/pepodomuxakulonidukonik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4252/0739/files/woximifadojelozidefewanaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/95909873105.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4603/4853/files/bipixaperilavixezopilivag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7389/6602/files/gorillaz_kids_with_guns.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1459/4466/files/53947062245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/kibedalida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5548/9948/files/1631492087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9571/8040/files/20411142182.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_off0001fca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FCA1 | 5052 bytes |
SHA-256: 025457659a9fef696b2c2f582308d50df7835f31d26e2e83d2a7b26b9397d185 |
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font_01_sfnt_off00020ddb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20DDB | 11404 bytes |
SHA-256: 19deb9baeb9c6a3c850d5e60d13292b1b2670505b7201fa6e5ba88b4d95d4bb9 |
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