MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many pointing to shopify.com, but one critical link directs to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains the same malicious URL and a reference to 'wkhtmltopdf', suggesting it's part of a link farm or SEO poisoning campaign designed to redirect users to malicious sites. The ML classifier strongly flagged this PDF as malicious.
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=sql+convert+date+format+mm%252F+dd%252F+yy In PDF document text
- http://files.ohmsinkspot.com/uploads/1/3/1/1/131164033/4649995.pdfIn PDF document text
- http://pafine.texasmonkeybusiness.com/uploads/1/3/1/4/131483025/2409324.pdfIn PDF document text
- http://sudejas.hbcatherinewriting.com/uploads/1/3/1/4/131452944/9ecfd57d33bdba3.pdfIn PDF document text
- http://files.inspiredft.com/uploads/1/3/1/4/131405948/4017639.pdfIn PDF document text
- http://gokiw.hestercox.com/uploads/1/3/2/6/132682787/nefixaw-tupetula-nitereleminebik.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/1/0435/2871/6440/files/asignatura_estatal_primero_de_secundaria_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2033/2705/files/bulave_tujhe_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7938/5756/files/36173530569.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5278/5055/files/zipaxizirenumoruf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7573/9553/files/34829799597.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8848/5288/files/level_285_candy_crush.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9547/3822/files/xutilafalavatu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1026/8068/files/98302259794.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0080/7070/files/mobutezuvusulozizif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5491/6003/files/bending_moment_and_shear_force_of_beams.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4329/9232/files/fimikikek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1619/0112/files/glittering_generalities_examples.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009fd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FD6 | 5416 bytes |
SHA-256: 1df87ce661b7d863354ca60edb27dbca22e5c076e97db5bea708d941cc36ea78 |
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font_01_sfnt_off0000b236.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB236 | 17344 bytes |
SHA-256: 496d48e0b43b7b2beb027122de0089645b3ee1381b9b37a55d7ee0caf1a34935 |
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font_02_sfnt_off0000e72a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE72A | 16512 bytes |
SHA-256: e569fcee42cef602a14ff6a922a1c1b12734286aefc83d56a4c40a740b7bb477 |
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