MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document employs a common phishing tactic by masquerading as diagnostic software to trick users into downloading further malicious content. It utilizes a redirector URL, https://ttraff.cc/pify?keyword=bendix+acom+diagnostic+software, and a link farm of SEO-optimized PDFs hosted on various domains, including multiple Shopify subdomains, to obscure the ultimate destination. The ML classifier strongly indicated maliciousness, and the presence of numerous external links points to a coordinated effort to distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=bendix+acom+diagnostic+software In PDF document text
- http://jisakejak.sigepemory.com/uploads/1/3/0/7/130776330/nolapopoku_zomikifow.pdfIn PDF document text
- http://files.kalinkapetkoff.com/uploads/1/3/1/3/131380128/5585f84ea2de.pdfIn PDF document text
- http://files.bearvalleykidscamp.com/uploads/1/3/0/7/130740018/kisokuf-sevevimafujum-gisigiv.pdfIn PDF document text
- http://raroviw.weaverplasticsurgery.com/uploads/1/3/0/8/130874493/tilutis.pdfIn PDF document text
- http://files.adriannaelizabethphotographyandmakeupartistry.com/uploads/1/3/1/3/131380299/2873827.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/1/0437/9564/4573/files/duwuga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2511/2988/files/93749130474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7964/7903/files/82701662721.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8383/2227/files/chehra_masoom_punjabi_song_pagalworld.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0541/9418/files/80508091067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4742/6965/files/pawokofaxufarazebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1069/5074/files/flowers_for_algernon_audiobook_progress_report_14.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0684/4315/files/xetibomum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7720/6165/files/kupifebopit.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_off000057b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57B4 | 5520 bytes |
SHA-256: f2ba689a934bda20c8a514230b9fd344aa428430d7a06bbe09d34ed750b7984f |
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font_01_sfnt_off00006a73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A73 | 10692 bytes |
SHA-256: 2131c70b1e8a677edd685792f5b01a836706296451bc66b453e9ceeeb376bc9b |
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