PDF malware analysis — malicious · b06919e6135c3a42

MALICIOUS

PDF

43.0 KB Created: 2020-08-09 01:37:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7003c3b015f41fb52c577aae44964f0a SHA-1: 7273e4d37ed2b79b9ce7ab55514429c84244e6f5 SHA-256: b06919e6135c3a4287e87975e2283bb12816033bbe90f36de96e3d282794e685

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=buttermere+walk+pdf, which is also listed as a malicious redirector. The presence of numerous links to external PDFs, including one hosted on Shopify, suggests a link farm or SEO poisoning tactic to attract victims. No scripts were extracted, limiting the analysis of further stages.

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=buttermere+walk+pdf
- http://files.dorseyreunion1967.com/uploads/1/3/1/8/131871787/jakuboso-pelifaxixolen.pdf
- http://files.changuagua.com/uploads/1/3/1/3/131382841/8b9d892168ec3.pdf
- http://files.walpoledancecenter.com/uploads/1/3/1/3/131380005/ae0380a4c9.pdf
- https://cdn.shopify.com/s/files/1/0437/6143/4773/files/deadpool_kills_the_marvel_universe_download.pdf
- https://cdn.shopify.com/s/files/1/0433/2306/4488/files/yasin_suresi_trke_okunuu.pdf
- https://cdn.shopify.com/s/files/1/0431/6866/1670/files/zekosifetevetirini.pdf
- https://cdn.shopify.com/s/files/1/0432/0326/4667/files/90422851240.pdf
- https://cdn.shopify.com/s/files/1/0432/2597/2904/files/purexa.pdf
- https://cdn.shopify.com/s/files/1/0428/2816/9375/files/iowa_food_stamps_application.pdf
- https://cdn.shopify.com/s/files/1/0431/1125/2132/files/wadonudezuzoxuxejo.pdf
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/goserujelugeg.pdf
- https://cdn.shopify.com/s/files/1/0436/7895/7718/files/77929761799.pdf
- https://cdn.shopify.com/s/files/1/0433/6772/7269/files/testy_angielski_b1.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27039997465.pdf
- https://cdn.shopify.com/s/files/1/0434/2048/3751/files/83962482199.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wugituvunajobi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sitadekekogog.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_off00006ba7.bin` `b933263b1f97e6165b915a893ea5b2a1a237b60eb2b531b77fd9d5452dad9cea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BA7	5212 bytes
`font_01_sfnt_off00007d5e.bin` `13b08e3ba1851dd78f4bcb03b0ef8d14671bd28212c17007c85b433df7708835`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D5E	9864 bytes

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