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, many of which point to external PDF files hosted on Shopify. One of the primary links, however, directs to a known malicious redirector at `ttraff.ru`. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to disguise malicious activity as a document download. The ML classifier strongly supports the malicious verdict.
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/wb?keyword=canon%20powershot%20elph%20160%20instruction%20manual
- http://files.carabrinkmans.com/uploads/1/3/1/0/131070588/mowimoloxitu_masaleri_wawezu.pdf
- http://files.kpadron.com/uploads/1/3/1/6/131636828/5243052.pdf
- http://files.planetmediapresspublications-newcomsystems.com/uploads/1/3/2/3/132302995/3583888.pdf
- http://files.lombardyreview.com/uploads/1/3/0/7/130776786/tometoli-mebabubop-xizuzorulonu-zitixutimano.pdf
- http://files.ntpfx.com/uploads/1/3/1/0/131070124/vosotubuno-mifanuwuvesig-nelopibivi-namotimivixugu.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2469/files/22732748746.pdf
- https://cdn.shopify.com/s/files/1/0431/0797/5330/files/72449546048.pdf
- https://cdn.shopify.com/s/files/1/0432/0329/7438/files/60582192476.pdf
- https://cdn.shopify.com/s/files/1/0431/7301/9808/files/rumomi.pdf
- https://cdn.shopify.com/s/files/1/0432/3953/8851/files/69450113410.pdf
- https://cdn.shopify.com/s/files/1/0430/4656/8098/files/58581938432.pdf
- https://cdn.shopify.com/s/files/1/0438/3490/0637/files/wekalenexajiduf.pdf
- https://cdn.shopify.com/s/files/1/0432/3636/0351/files/kobopaxexojutugole.pdf
- https://cdn.shopify.com/s/files/1/0440/3704/6437/files/ronotunakiwofuvesabibo.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_off00007082.bin1a0185d1cf9693641e9e387d7882ecccaf4158309b7458474dcce6412dc60299 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7082 | 5516 bytes |
font_01_sfnt_off0000832d.bin5e53cbdc6da6960bf91f3034a28cc2c96be358059166f3ea14cb4575be3c29c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x832D | 17156 bytes |
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