PDF malware analysis — malicious · 1a81e06abb9dc080

MALICIOUS

PDF

39.7 KB Created: 2020-08-20 02:38:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e5d0d0176208d2334cb7ab91a423eddd SHA-1: 7949311f28ac0652fbd9f922c69fe2d59ccb8625 SHA-256: 1a81e06abb9dc080651f031762b0834a7ae6edf87ff36e05c4d1f685393ba74c

162 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for 'Vce setup full', suggesting a software crack or pirated software theme. The presence of a 'Password-protected archive handoff' heuristic indicates that the document is likely designed to trick the user into downloading an archive, which would require a password provided within the document itself, to bypass security scanning and deliver a payload.

Heuristics 4

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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.com/pify?keyword=vce+setup+full
- http://rokunoku.mravinger.com/uploads/1/3/1/1/131163725/boguxudegi.pdf
- http://files.gracefulbeginnings.ca/uploads/1/3/2/6/132681579/8fa6a9da4c58.pdf
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/pdf_to_word_converter_download_free_full_version_cracked.pdf
- https://cdn.shopify.com/s/files/1/0429/3709/0211/files/71707528910.pdf
- https://cdn.shopify.com/s/files/1/0432/8862/5316/files/padek.pdf
- https://cdn.shopify.com/s/files/1/0432/0532/9064/files/56234074008.pdf
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/96189380146.pdf
- https://cdn.shopify.com/s/files/1/0437/0936/6427/files/62679879094.pdf
- https://cdn.shopify.com/s/files/1/0433/5481/6665/files/xaxoretudufemofivexixag.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jokixud.pdf
- https://cdn.shopify.com/s/files/1/0431/0935/1575/files/39220112431.pdf
- https://cdn.shopify.com/s/files/1/0433/7047/9766/files/likolelizuwatipirok.pdf
- https://cdn.shopify.com/s/files/1/0436/9815/9784/files/ancient_egypt_music.pdf
- https://cdn.shopify.com/s/files/1/0437/9561/1805/files/nekegurapasadevemolu.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_off00005f56.bin` `7eedbd01d99b6ca23f35eba9bf3d407e173b6dc3036974ccd69da479f6efc932`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F56	4668 bytes
`font_01_sfnt_off00006f51.bin` `af2b738517ca69e74f57f4e7aa51e22641d065cb62cb47bd0fb688e3806cb1f2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F51	10320 bytes

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