MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to traff.ru. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on cdn.shopify.com, but one of which is the malicious redirector. The document body, though partially corrupted, contains text related to 'how to convert online ebook into pdf' and mentions 'invoice', suggesting a lure to disguise the malicious redirection. The presence of a malicious redirector link indicates an attempt to lead the user to a compromised or malicious site.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=how+to+convert+online+ebook+into+pdf
- http://files.talgolani.com/uploads/1/3/0/7/130739022/lipenovizilosuzufazo.pdf
- http://files.custom-mfg-eng.com/uploads/1/3/0/9/130969896/viderugobubenu.pdf
- http://lanimaxu.allstarentertainmentky.com/uploads/1/3/1/6/131606289/jonipuzul-gemozi.pdf
- https://cdn.shopify.com/s/files/1/0434/7500/9686/files/25402844151.pdf
- https://cdn.shopify.com/s/files/1/0434/3506/5505/files/54106498654.pdf
- https://cdn.shopify.com/s/files/1/0428/3590/2631/files/71943483103.pdf
- https://cdn.shopify.com/s/files/1/0435/4097/1674/files/80942582577.pdf
- https://cdn.shopify.com/s/files/1/0434/2169/6149/files/developmental_biology_gilbert_9th_edition.pdf
- https://cdn.shopify.com/s/files/1/0431/2009/9488/files/30993478259.pdf
- https://cdn.shopify.com/s/files/1/0432/5058/1662/files/49976318926.pdf
- https://cdn.shopify.com/s/files/1/0434/8005/5965/files/jetevikugil.pdf
- https://cdn.shopify.com/s/files/1/0434/0426/3580/files/supofifagepobuwadirav.pdf
- https://cdn.shopify.com/s/files/1/0430/3755/6899/files/vonelexadegidazopa.pdf
- https://cdn.shopify.com/s/files/1/0434/7854/8630/files/company_of_heroes_2_guide.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_off000067ee.bin3c145547fea7b5feaac70fd5a3d8f6baf8381ba8f36d8101b993ebd821cf7e34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67EE | 5080 bytes |
font_01_sfnt_off0000794f.bin8957e68c3d7979fcd76a903845a52cda3f3756f24f837dbb9c462f28d82c3eb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x794F | 10376 bytes |
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