PDF malware analysis — malicious · 9f6ceac3fb4854ed

MALICIOUS

PDF

115.0 KB Created: 2020-08-06 20:27:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6418852c694bdf03a1b69ca1abb8fc36 SHA-1: 428a4e4fb1cfa4ca7b7acc2e36260f5ab550b431 SHA-256: 9f6ceac3fb4854edeab6ded581b1b687b51d37379939417aa9bc058b2f3cec59

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was identified as malicious due to a critical heuristic firing for a PDF redirector link pointing to 'https://ttraff.cc/pify?keyword=acinetobacter+haemolyticus+pdf'. Additionally, another critical heuristic detected a PDF SEO link farm with 30 external PDF links, the first of which is 'https://cdn.shopify.com/s/files/1/0436/1856/6306/files/1261122395.pdf'. These findings suggest the document's primary purpose is to lure users to malicious sites, likely for phishing or malware delivery.

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
Embedded URL info EMBEDDED_URL

One 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=acinetobacter+haemolyticus+pdf
- http://files.philipcleaning.com/uploads/1/3/1/6/131637385/mevedebafupen_tizimomopoluxe_miwafodimut.pdf
- http://xeduloj.carolynhasley.com/uploads/1/3/1/3/131379803/054bf.pdf
- http://files.latorreholidays.com/uploads/1/3/2/6/132695525/3323416.pdf
- http://files.elevatemanila.com/uploads/1/3/1/3/131381480/4340253.pdf
- https://cdn.shopify.com/s/files/1/0436/1856/6306/files/1261122395.pdf
- https://cdn.shopify.com/s/files/1/0438/8470/7992/files/92745882202.pdf
- https://cdn.shopify.com/s/files/1/0432/3062/5950/files/wugutizofapofeludose.pdf
- https://cdn.shopify.com/s/files/1/0438/3031/3122/files/60730134301.pdf
- https://cdn.shopify.com/s/files/1/0435/2878/1988/files/terraria_borderless_window.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37144816260.pdf
- https://cdn.shopify.com/s/files/1/0434/5895/3369/files/mopevodabovasolonunara.pdf
- https://cdn.shopify.com/s/files/1/0430/6645/8266/files/91853433523.pdf
- https://cdn.shopify.com/s/files/1/0437/7070/8129/files/pufogivo.pdf
- https://cdn.shopify.com/s/files/1/0436/0221/5074/files/3007071960.pdf
- https://cdn.shopify.com/s/files/1/0431/8570/1019/files/zanibedaputu.pdf
- https://cdn.shopify.com/s/files/1/0432/1237/4174/files/pdf_to_eps_linux.pdf
- https://cdn.shopify.com/s/files/1/0433/3967/7861/files/13536294409.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_off0001875f.bin` `1da3001dbd74cc0c60978718b692f491ab0c1474bcaee273eb067a344916dbcd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1875F	5628 bytes
`font_01_sfnt_off00019a63.bin` `371a9a53431821937dac21374fee4ff6154234b259df061f1ef12c08e1178cc9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x19A63	10592 bytes

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