PDF malware analysis — malicious · 80aacfefd4d7bb64

MALICIOUS

PDF

42.2 KB Created: 2020-08-18 22:59:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3f7362bd3f861e8f52ddd0ef38e580e8 SHA-1: 8f3bb337d4241e1d6d8e8327060b84b61486589d SHA-256: 80aacfefd4d7bb6478dc96eb519e85f8c731ba0763ea129c090044fb953524b5

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, pointing to `https://ttraff.ru/pify?keyword=attestation+de+formation+mod%25C3%25A8le+word`. This URL is likely used to redirect the user to a malicious site. The document body, though partially corrupted, contains text related to 'Attestation de formation' and includes numerous embedded URLs, many hosted on `cdn.shopify.com`, suggesting a link farm or SEO poisoning tactic to attract victims. The primary malicious link is the most critical IOC.

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.ru/pify?keyword=attestation+de+formation+mod%25C3%25A8le+word
- http://files.biauk.com/uploads/1/3/1/1/131164176/ramimimemexinop.pdf
- http://files.mynttl.com/uploads/1/3/1/8/131858540/vilipalufiwet.pdf
- http://files.rustedacresoaps.com/uploads/1/3/2/7/132741334/jexag.pdf
- http://roxumap.dramseyassociates.com/uploads/1/3/1/8/131871699/vukarekekuzerazib.pdf
- https://cdn.shopify.com/s/files/1/0428/8725/0087/files/rugozajajiwolaberu.pdf
- https://cdn.shopify.com/s/files/1/0430/8933/0330/files/sdcopy._exe_download_free.pdf
- https://cdn.shopify.com/s/files/1/0434/2353/1175/files/cellular_physiology_and_neurophysiology_2nd_edition.pdf
- https://cdn.shopify.com/s/files/1/0431/7272/4897/files/61907846381.pdf
- https://cdn.shopify.com/s/files/1/0437/9633/2705/files/cellsentials_espaol.pdf
- https://cdn.shopify.com/s/files/1/0433/0966/2366/files/31000923036.pdf
- https://cdn.shopify.com/s/files/1/0434/9971/6770/files/ferafoxeledo.pdf
- https://cdn.shopify.com/s/files/1/0431/1888/7068/files/fazafuwam.pdf
- https://cdn.shopify.com/s/files/1/0432/9121/3988/files/kelufijovopovukabelixe.pdf
- https://cdn.shopify.com/s/files/1/0438/5030/1590/files/41842157489.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2469/files/93191466131.pdf
- https://cdn.shopify.com/s/files/1/0448/1145/2576/files/chakram_movie_songs_free_320kbps.pdf
- https://cdn.shopify.com/s/files/1/0440/6607/8870/files/18418399461.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_off000062aa.bin` `6a0a788c1d86e4c97b0527455e68c5cc028a7c81bda7180ad851909bf526031a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62AA	5276 bytes
`font_01_sfnt_off0000744b.bin` `029a258f0149e81cab7c28a6fc3bf1441048721ddd210210307cdec83bc8b3fd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x744B	11704 bytes

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