PDF malware analysis — malicious · a210c1a9e0cc68f4

MALICIOUS

PDF

51.7 KB Created: 2020-07-29 04:28:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 41147cc5c3dce759606233565d6dc7f4 SHA-1: ec561f6cadaa7ed70f434250d1377bcefb8322ef SHA-256: a210c1a9e0cc68f47f0227a73541fc5cce580906ce5acb0765a7619f5c0d84be

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.cc). The document body, though heavily obfuscated, suggests a lure related to 'Format python vs code'. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating an attempt to drive traffic to potentially harmful sites. No scripts were extracted, limiting the analysis of direct payload execution.

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=format+python+vs+code
- http://files.erictorgersenpoet.com/uploads/1/3/0/7/130776049/wivusogazure_getawalewefajo_vokozovofogodo_kopimoke.pdf
- http://files.obempire.com/uploads/1/3/0/7/130738752/newafigaboriwog.pdf
- http://files.animalprograms.org/uploads/1/3/2/3/132302802/6820289.pdf
- http://files.fitnessfactory1.com/uploads/1/3/0/7/130739567/3499249.pdf
- http://files.patwinslow.com/uploads/1/3/0/7/130738620/kelinalituge_xelaxutotav_xedodepati_pures.pdf
- http://files.patwinslow.com/uploads/1/3/0/7/130738620/kelinali
- https://cdn.shopify.com/s/files/1/0435/1960/6936/files/8565475058.pdf
- https://cdn.shopify.com/s/files/1/0432/5117/1478/files/33178669892.pdf
- https://cdn.shopify.com/s/files/1/0437/5927/2090/files/pilubiwikenuvefi.pdf
- https://cdn.shopify.com/s/files/1/0433/2965/0856/files/65337967676.pdf
- https://cdn.shopify.com/s/files/1/0432/5936/3488/files/79917089235.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.pdf
- https://cdn.shopify.com/s/files/1/0429/0379/7916/files/32200153267.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62092070186.pdf
- https://cdn.shopify.com/s/files/1/0431/7157/8024/files/77878396986.pdf
- https://cdn.shopify.com/s/files/1/0428/5834/8700/files/metifarovu.pdf
- https://cdn.shopify.com/s/files/1/0435/4244/6231/files/60147618662.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007423.bin` `a3337de7383315bef7ef4a8b8981e64aca39a0b1109a997fdd9f89e97cb0654c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7423	5136 bytes
`font_01_sfnt_off0000856d.bin` `efe9469b2384218d69bb347a930ecefdd753043cb4b645110791d66b2c05f26b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x856D	11644 bytes
`font_02_sfnt_off0000ab58.bin` `0a3405e4436f0124f56624aa54bfd4db0e457c16c31742b0243d19e7f4b08adf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAB58	16524 bytes

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