MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links pointing to Shopify-hosted PDF files, indicating a link farm likely used for SEO manipulation or to distribute further malicious content. One of the embedded links, 'https://ttraff.cc/pify?keyword=wpf+treeview+hierarchicaldatatemplate+selected+item+mvvm', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=wpf+treeview+hierarchicaldatatemplate+selected+item+mvvm
- http://files.uhighmusic.com/uploads/1/3/1/3/131381095/1466763.pdf
- http://files.ankatriencasselman.com/uploads/1/3/1/4/131437889/8f3519.pdf
- http://files.dorotasashabolle.com/uploads/1/3/2/3/132303209/2303198.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/40196299835.pdf
- https://cdn.shopify.com/s/files/1/0434/3165/7638/files/vadefe.pdf
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/totesisanu.pdf
- https://cdn.shopify.com/s/files/1/0446/6117/8521/files/83417387647.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/44106094578.pdf
- https://cdn.shopify.com/s/files/1/0434/1451/9966/files/medical_tourism_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/2347/4583/files/79138743911.pdf
- https://cdn.shopify.com/s/files/1/0434/4256/9383/files/fugukanap.pdf
- https://cdn.shopify.com/s/files/1/0435/5106/4228/files/ateneo_de_davao_school_uniform.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3464/files/zejiwaxalobepa.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000088ad.bin047aad67b1956521b6e9e91478622b409d268002e8ca03a4d685ef6cf0e35c50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88AD | 3376 bytes |
font_01_sfnt_off000094c4.bin180e3f1fe4a293b696477ba3561b1e175454a2153c32e1731a91ffffe89394c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94C4 | 5132 bytes |
font_02_sfnt_off0000a64f.bin29d7e2c8f5baf3f0e8ded38c68cd5c98abf157ae86a618d67ce5281479c029d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA64F | 13528 bytes |
font_03_sfnt_off0000d1d9.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1D9 | 4324 bytes |
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