MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, https://ttraff.ru/pify?keyword=arcata+weather+report, is flagged as a malicious redirector. The presence of a large number of external links, many pointing to Shopify domains hosting other PDFs, suggests an attempt to manipulate search engine results or to distribute further malicious content through a chain of redirects. No scripts were extracted, and the document body is heavily obfuscated, but the link farm heuristic is a strong indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=arcata+weather+report
- http://files.gearedforgrowth.co.uk/uploads/1/3/1/0/131070689/474e84ac780f2.pdf
- http://files.pcmusicinstruction.com/uploads/1/3/1/3/131398504/784381.pdf
- http://files.holmesscience.org/uploads/1/3/1/8/131856270/puxugafujewulo-kufupubal-gofaj-fipaluzole.pdf
- http://files.brittpixphotography.com/uploads/1/3/0/8/130873945/1677233.pdf
- https://cdn.shopify.com/s/files/1/0433/9014/0572/files/aha_guidelines_high_blood_pressure.pdf
- https://cdn.shopify.com/s/files/1/0435/5286/6463/files/anemia_slideshare.pdf
- https://cdn.shopify.com/s/files/1/0433/3010/9593/files/vuzisi.pdf
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/89591720915.pdf
- https://cdn.shopify.com/s/files/1/0438/2585/6672/files/android_10_samsung_note_10_verizon.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/watch_attack_on_titan_online_free.pdf
- https://cdn.shopify.com/s/files/1/0427/7813/2636/files/farenizozusebalifuk.pdf
- https://cdn.shopify.com/s/files/1/0431/6237/0202/files/zowijexufezuneb.pdf
- https://cdn.shopify.com/s/files/1/0429/5937/2439/files/30697155944.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006bf1.bin9e51bf23faa04bf88755c78eb9c2efbb3615bf1f676e2a985c0f492dafba3fa4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BF1 | 4892 bytes |
font_01_sfnt_off00007c98.bin429bb97f48ea31bb0b0571a617f3a0419b7c09887fa79194c93459f66fa87bf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C98 | 10328 bytes |
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