MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised as a manual for a Fluval 406 filter. The document also functions as a link farm, pointing to numerous other PDFs hosted on Shopify. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be social engineering, luring the user to a malicious site via a seemingly innocuous document.
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.cc/pify?keyword=fluval+406+manual In PDF document text
- http://files.cascadiancouriers.com/uploads/1/3/0/7/130775320/vubomexabadume_bezexinosod.pdfIn PDF document text
- http://files.abnerhershberger.com/uploads/1/3/2/7/132710759/8611970.pdfIn PDF document text
- http://files.starburstactivation.org/uploads/1/3/1/3/131380297/bizumivitigaju.pdfIn PDF document text
- http://files.robertbiederman.com/uploads/1/3/0/8/130874253/rulasurodaravur.pdfIn PDF document text
- http://files.nickinaudephotography.com/uploads/1/3/0/8/130874567/nodosixo-juxuzotevuni.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/1/0430/4997/5961/files/xakobunis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0062/6325/files/63522307412.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0730/2037/files/convert_to_vertex_form_calculator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5790/5818/files/32939786288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9649/0663/files/2341841727.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2177/0656/files/xapikaxenafikit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5883/9198/files/97118545522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5329/2440/files/84320104615.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1128/2840/files/5391768306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/21395964887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2325/4179/files/71668477869.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5093/4173/files/36553477823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8144/9118/files/moxapenaritumixunajaxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9508/9559/files/12691049807.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6467/1909/files/36446067824.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_off00006cd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD2 | 4956 bytes |
SHA-256: 33140008aff1b1d81ef2318c96010605c804b5945fc8765b48662187403c13a2 |
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font_01_sfnt_off00007dad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DAD | 10332 bytes |
SHA-256: 6e089db79ac76645d963d6b164dab44f33408f005f7b24b9881c875f6ed678f7 |
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