MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links redirects to a known malicious domain (ttraff.ru). This suggests a social engineering attack aimed at directing users to malicious content through a deceptive link farm. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.
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=bamini+tamil+font+layout+pdf In PDF document text
- http://sukejob.amybourne.com/uploads/1/3/1/6/131637136/kakovepasevogo.pdfIn PDF document text
- http://files.dallasbychocolate.com/uploads/1/3/0/7/130776445/nafuwom_gogidi_fiwujar.pdfIn PDF document text
- http://files.boxedph.shop/uploads/1/3/2/7/132712088/goxipavopemilifixo.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/1/0431/4297/1553/files/veledofo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3506/5510/files/51442085064.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/8486/7736/files/surviving_sepsis_campaign_guidelines_2018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3055/2474/files/anticoagulantes_orales.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6823/5682/files/cryptic_quiz_answers_4-_n.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/2061/6599/files/jadojugeboxijavipes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9975/0560/files/juxaweli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9961/9492/files/ketemuzifazebisugedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5625/1559/files/yu_yu_hakusho_seasons.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E0E | 5064 bytes |
SHA-256: 52720d2c1c230f436267ecdaf11b708fa8ec4d1dc188fd06060f0a56c72afee6 |
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font_01_sfnt_off00006f3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F3D | 4508 bytes |
SHA-256: cf3ec933474e75256b248eec899c6e6ac661939012486fee90e39db7684ec745 |
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font_02_sfnt_off00007e38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E38 | 11180 bytes |
SHA-256: 1ab3d21303d8837c1bf2c4bfde3d1efe6ee0809b10304d04232edfdcc401dc18 |
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font_03_sfnt_off0000a43a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA43A | 16084 bytes |
SHA-256: ff88491e9b53368aa3a30e8dd34a5b3a2a650623abbadb69eae8d512e7150c33 |
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