MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to a known malicious domain (ttraff.ru). This indicates a social engineering attempt to lure users to malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=quality+assurance+role+in+pharmaceutical+industry+pdf
- http://files.vietnamcafesandwich.com/uploads/1/3/0/7/130775563/adcb77c45c.pdf
- http://files.sanctuaryofpraise.net/uploads/1/3/1/3/131383825/vurojilubumibiko.pdf
- http://files.barbarakrichardson.com/uploads/1/3/0/7/130739826/sirugepukij.pdf
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/wild_animal_word_search.pdf
- https://cdn.shopify.com/s/files/1/0436/8026/8438/files/tujuwigalotosutipi.pdf
- https://cdn.shopify.com/s/files/1/0429/4246/4166/files/kufexixor.pdf
- https://cdn.shopify.com/s/files/1/0436/2534/9273/files/fupebugobefololax.pdf
- https://cdn.shopify.com/s/files/1/0429/6769/5509/files/99181721673.pdf
- https://cdn.shopify.com/s/files/1/0433/9079/5941/files/f_03_fireguard.pdf
- https://cdn.shopify.com/s/files/1/0430/2562/9347/files/rowetomizisumovugazin.pdf
- https://cdn.shopify.com/s/files/1/0432/6473/7448/files/gimaxinitarakagopilemux.pdf
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/77998386915.pdf
- https://cdn.shopify.com/s/files/1/0431/7983/5547/files/wigiwunuxoki.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_off000067a5.bin9b65a14bb27d9352d4e534c90bbe7cb559f97a47c4dd272ac0fb33f104173075 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67A5 | 5556 bytes |
font_01_sfnt_off00007a65.bine48a64954b3e9cfc566703477dc76c6b0343115dd271cb60c4f70bb0e2edfb80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A65 | 9720 bytes |
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