MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which are hosted on Shopify domains and appear to be part of a link farm. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body itself is heavily obfuscated and contains a mix of metadata and URLs.
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.cc/wb?keyword=istanbul%20eyewitness%20travel%20guides%20pdf
- http://files.windycityknittingguild.com/uploads/1/3/1/3/131381363/jubokodu-xuwekuketapemul-fikevapuxarev.pdf
- http://lonij.kitchengardenschooluk.com/uploads/1/3/1/4/131407233/zexegezuk.pdf
- http://files.yukimuli.com/uploads/1/3/1/6/131636941/papedaxez.pdf
- http://files.mtm-inc.com/uploads/1/3/2/7/132710783/vimilarunen_pugebiwup_lefogaxutibo.pdf
- https://cdn.shopify.com/s/files/1/0428/3455/9143/files/treatment_for_antisocial_personality_disorder.pdf
- https://cdn.shopify.com/s/files/1/0432/4671/5040/files/roblox_gui_script.pdf
- https://cdn.shopify.com/s/files/1/0432/2476/0488/files/data_entry_resume_sample.pdf
- https://cdn.shopify.com/s/files/1/0429/2050/9596/files/99957802062.pdf
- https://cdn.shopify.com/s/files/1/0432/5824/9376/files/87077083734.pdf
- https://cdn.shopify.com/s/files/1/0431/2953/6676/files/nidirejonefa.pdf
- https://cdn.shopify.com/s/files/1/0436/3000/2336/files/nemepetezipixa.pdf
- https://cdn.shopify.com/s/files/1/0437/5291/5098/files/xorujotivizuzulinosus.pdf
- https://cdn.shopify.com/s/files/1/0433/8830/5558/files/tapav.pdf
- https://cdn.shopify.com/s/files/1/0439/7016/6942/files/49859057143.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ropuxikasafomudixaxo.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_off000055da.binef39b3d338b78bd78f148c860c83008437e16014599a7b0ab3489e032ac08b82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55DA | 5540 bytes |
font_01_sfnt_off000068dd.bin416c166767bc98a605fdadc651f17c444290cb861f1557486182ca3f3675d77f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68DD | 13244 bytes |
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