MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely the primary payload delivery mechanism. The document body text, though heavily obfuscated, contains the phrase 'Basic accounting cycle pdf' and the malicious URL, reinforcing the lure. The presence of numerous PDF links and a malicious redirector indicates a phishing or malware distribution attempt.
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.cc/pify?keyword=basic+accounting+cycle+pdf
- http://files.aikenkraft.com/uploads/1/3/1/8/131871864/2fd3b1f410.pdf
- http://files.brookingscountytitle.com/uploads/1/3/2/6/132683070/mapamokugififizi.pdf
- http://files.simplywood.com.au/uploads/1/3/1/4/131452803/8d47d21a.pdf
- https://cdn.shopify.com/s/files/1/0430/2523/6121/files/luluvidoretaseferawewub.pdf
- https://cdn.shopify.com/s/files/1/0427/5827/5238/files/gabopadetebonumak.pdf
- https://cdn.shopify.com/s/files/1/0432/3993/2064/files/82825083859.pdf
- https://cdn.shopify.com/s/files/1/0431/7465/8216/files/70961335966.pdf
- https://cdn.shopify.com/s/files/1/0429/2427/7923/files/89398823226.pdf
- https://cdn.shopify.com/s/files/1/0430/5145/0519/files/7754618719.pdf
- https://cdn.shopify.com/s/files/1/0432/0477/2000/files/96651601280.pdf
- https://cdn.shopify.com/s/files/1/0433/9000/9502/files/21221975277.pdf
- https://cdn.shopify.com/s/files/1/0435/8183/3379/files/22050672205.pdf
- https://cdn.shopify.com/s/files/1/0437/1942/6197/files/amalgam_composition.pdf
- https://cdn.shopify.com/s/files/1/0433/7962/2040/files/80314010206.pdf
- https://cdn.shopify.com/s/files/1/0432/7630/4544/files/84673149452.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3458/files/wojojajeragipabobegazivo.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_off0000601c.binb4e242511c684033dee4da0c2bf619eeb6f41ad8657eb4dd1f350ed5a8b3dc5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x601C | 5376 bytes |
font_01_sfnt_off00007288.bin823aac096800dfa4f604b2efb6fe4f74b4caac75d79a39c32566a1430f114b3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7288 | 10116 bytes |
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