MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The presence of a link farm and a redirector suggests an attempt to obscure the final malicious destination, likely for phishing or malware delivery.
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.com/pify?keyword=piano+scales+arpeggios+and+broken+chords+grade+2+pdf
- http://ruloxe.modelartaus.com/uploads/1/3/2/6/132695663/2751312.pdf
- http://files.bigbusdublincitytours.com/uploads/1/3/1/6/131637014/234be33.pdf
- http://files.sandwichhistorical.org/uploads/1/3/0/7/130738837/04411e2f4608b1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0450/6091/5350/files/inflammatory_diet.pdf
- https://cdn.shopify.com/s/files/1/0432/4684/6119/files/ascii_art_hangman.pdf
- https://cdn.shopify.com/s/files/1/0428/6955/5359/files/wevupelomogoxexiz.pdf
- https://cdn.shopify.com/s/files/1/0435/2602/9463/files/4050294754.pdf
- https://cdn.shopify.com/s/files/1/0435/8461/8653/files/84637323527.pdf
- https://cdn.shopify.com/s/files/1/0430/9411/4457/files/45876997713.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mijafovaginidobu.pdf
- https://cdn.shopify.com/s/files/1/0431/3464/8474/files/wevifidusalatejuz.pdf
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/63656639835.pdf
- https://cdn.shopify.com/s/files/1/0431/4795/2294/files/35770846315.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d26.bin868e118f92edee0c2771d4c246c67aae93ba369490e54d1d7ac81c65a1389c33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D26 | 4068 bytes |
font_01_sfnt_off00005b8b.bin15b158ba01d70a7ad326f2e4826372b23e6c14dc6f75da26bf951daa9e328e53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B8B | 5752 bytes |
font_02_sfnt_off00006f10.binbbd58b26c0e100cbd11aa9dfc4fe70d9781b135aea7f1c0471319bacd553a1ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F10 | 10200 bytes |
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