MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to shopify.com domains, likely for SEO manipulation. One critical heuristic identified a link to a known malicious redirector at ttraff.ru, suggesting a phishing or malware delivery attempt. The document body also contains text related to 'Suspense account format pdf' and mentions 'invoice or payment language', aligning with a lure to trick users into clicking the malicious link. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=suspense+account+format+pdf In PDF document text
- http://files.thepoeticevangelist.com/uploads/1/3/0/7/130776460/dubak-gikisovexe.pdfIn PDF document text
- http://files.researchtracked.com/uploads/1/3/1/4/131455275/3564fcddfb8af81.pdfIn PDF document text
- http://fegal.sareeduniya.shop/uploads/1/3/0/7/130739063/safexaludexu_bagabitimikar.pdfIn PDF document text
- http://files.erskinevilleacupuncture.com/uploads/1/3/0/7/130739170/a17b7bd1b12be.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/1/0428/4959/9654/files/android_software_update_galaxy_s7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2033/2705/files/vofuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69143450337.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1880/5657/files/arduino_nano_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/leguxubebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/42088967576.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2422/0321/files/b_pharmacy_syllabus_1st_year.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5060/5461/files/alphabet_and_sounds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1510/0826/files/5e_animate_objects.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2846/1206/files/46071650688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5309/5844/files/kipibudibezivivegarodupif.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_off00006fe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FE3 | 5372 bytes |
SHA-256: 3bc1c713c7196936e708666daecebba50077bf337f0b80094cb63551209ab53c |
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font_01_sfnt_off00008205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8205 | 10408 bytes |
SHA-256: 59b9030454fd300fc76890a9b3dec5c4c2bb851037ae339236e71ae31350c833 |
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