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, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, suggesting it might be a generated document. The primary attack pattern involves leveraging numerous embedded links, with one pointing to a known malicious redirector. The presence of many Shopify-hosted PDFs suggests an attempt to disguise malicious links within seemingly benign hosting. 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.ru/pify?keyword=platform+full+movie+online In PDF document text
- http://files.wormfoodforthough.net/uploads/1/3/0/9/130969243/e9c22e71c4f8.pdfIn PDF document text
- http://files.bluesteeltm.com/uploads/1/3/2/7/132712006/bebogakagi-majemakosoje-nubivel.pdfIn PDF document text
- http://files.eratoalakiozidou.com/uploads/1/3/1/0/131071277/5dc7eb897eab6f.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/1/0431/7098/8188/files/kakovifuvinuxapopovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6965/1606/files/gomapuguzoluxofimeripovup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6893/8658/files/52404753411.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8091/7926/files/lukalunufepajidivarolikad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5866669006.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/pefalawilesepenubar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0757/4179/files/68392092561.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4070/9527/files/sevedopojotenixon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4933/7507/files/11745732983.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1128/4893/files/rowumokipivogovif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1161/9491/files/54562459841.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/31340845371.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5689/6927/files/gixuxowuduboxatoru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6909/5590/files/7558176001.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_off0000756d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x756D | 4676 bytes |
SHA-256: a54ae12150ce60c7fa6f8beb66c049084b5a0dd052b009cc08eea4118da6a56d |
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font_01_sfnt_off0000852f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x852F | 10440 bytes |
SHA-256: cffea9ebbcd50fe1d7351e6586459f3b0c56a06ba046eacecff299378cf8caa2 |
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