MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm for SEO poisoning or traffic redirection. One critical heuristic identified a link to a known malicious redirector at 'ttraff.ru'. The ML classifier also strongly indicated maliciousness. The document body, though heavily corrupted, contains text related to downloading a PDF converter, aligning with the observed link farm behavior.
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=download+able2extract+pdf+converter
- http://files.destinwestvacation.com/uploads/1/3/0/7/130738841/fuzopi_refapofuxa.pdf
- http://files.sgsquishies.com/uploads/1/3/1/4/131455283/kefedeworimo-laxevot-merovaxumud.pdf
- http://files.moombaparkps.vic.edu.au/uploads/1/3/0/7/130738792/5c3d80c06ac.pdf
- http://files.destinwestvac
- https://cdn.shopify.com/s/files/1/0433/5930/5877/files/digavozowoxoranuladi.pdf
- https://cdn.shopify.com/s/files/1/0436/4160/2208/files/rubelipilu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sivezijikok.pdf
- https://cdn.shopify.com/s/files/1/0434/1052/2268/files/buterekolesi.pdf
- https://cdn.shopify.com/s/files/1/0431/8307/9584/files/16549906307.pdf
- https://cdn.shopify.com/s/files/1/0437/0789/1877/files/tolofoxovun.pdf
- https://cdn.shopify.com/s/files/1/0432/4727/2098/files/16298849623.pdf
- https://cdn.shopify.com/s/files/1/0436/1207/8243/files/fukuwolefubeguko.pdf
- https://cdn.shopify.com/s/files/1/0436/5543/0302/files/8422568179.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nubizasijimowedemo.pdf
- https://cdn.shopify.com/s/files/1/0433/8096/5534/files/pugagodegopikuzadajiwe.pdf
- https://cdn.shopify.com/s/files/1/0431/0099/5741/files/87521256862.pdf
- https://cdn.shopify.com/s/files/1/0432/8757/6740/files/tetururorepurazazila.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_off000075bb.bind0d9ac84d44c96daa8b22e256f0e058c5a715affa2a7f1e58ced737001015de0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75BB | 5200 bytes |
font_01_sfnt_off00008795.bin720adc636a12e9bffccd17311443edcf204fa72154becf5c815c151d48b3c17e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8795 | 10116 bytes |
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