MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains a URL that points to a redirector, which is likely intended to lead users to malicious content. The presence of numerous embedded links, many pointing to Shopify domains but some to unknown hosts, suggests a broad distribution attempt. No scripts were extracted from this sample.
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/pify?keyword=apastamba+grihya+sutra+sanskrit+pdf In PDF document text
- http://rirag.velellaboat.com/uploads/1/3/2/6/132683014/7452942.pdfIn PDF document text
- http://files.myhealthwealthimpact.com/uploads/1/3/0/9/130969663/bfed8e1f.pdfIn PDF document text
- http://files.holidaycottagediss.com/uploads/1/3/0/7/130776176/6201440.pdfIn PDF document text
- http://files.santenkarate.com/uploads/1/3/1/0/131070722/xogid.pdfIn PDF document text
- http://fudulazow.honeybeeman.com/uploads/1/3/1/4/131453541/wulidowaxudezi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5393/0904/files/annexure_3_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5312/0669/files/jobimot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4788/6743/files/gesoludozuxojemixof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2710/1853/files/dizijapesiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/lalamikebajibokukusirusij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2707/0104/files/69035448904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6076/3555/files/21462878829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6463/1195/files/nirevazedofojemezafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9277/8916/files/45103772212.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9431/7981/files/bujuwoseruxes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4945/9605/files/24700855787.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6043/6887/files/jezoloxajakuze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3835/1255/files/adrenal_insufficiency_pediatrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/33081019785.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ddd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DDD | 5720 bytes |
SHA-256: 09119ead84f709ff77886739e52808b5cac14712b9d09c1756f47c899c59382e |
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font_01_sfnt_off00008132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8132 | 10152 bytes |
SHA-256: 0a5ac0340bed1a6c152ebdb2ec97b84f8398648787e05cf7c7d506d6d5a40966 |
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font_02_sfnt_off0000a437.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA437 | 2544 bytes |
SHA-256: c00bda8fde733e692c1462c18eb95440810b1201d73384b8e363886d00b1654a |
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