PDF malware analysis — malicious · 1cbafe437baf721e

MALICIOUS

PDF

35.1 KB Created: 2020-07-10 09:48:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4c75f9ffc186c28e23c4ea9ab291ea19 SHA-1: bea1d139a0715f503c4925465824d5c7935d25c4 SHA-256: 1cbafe437baf721e1f3fc40739e9cf05c8178ce76d35232b836045e24d01814c

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, many of which point to suspicious domains and are flagged as malicious redirectors or part of a link farm. The document body, though partially corrupted, includes a search query related to an 'ocr gcse modern world history revision guide pdf' and lists several PDF URLs, suggesting a lure to download further malicious content. The presence of a malicious redirector link indicates an attempt to lead the user to a compromised or malicious site.

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/wb?keyword=ocr%20gcse%20modern%20world%20history%20revision%20guide%20pdf
- http://files.amapolapress.com/uploads/1/3/1/4/131406800/dusalezipa.pdf
- http://files.bestjunkremovalnow.com/uploads/1/3/1/6/131637194/goduvosivemurami.pdf
- http://files.gocadets.com/uploads/1/3/1/4/131483391/fiboru_juvarifafavu_kawogozi_nofaxu.pdf
- http://files.kaitiakirestoration.co.nz/uploads/1/3/0/9/130969478/puwezanu.pdf
- http://files.chrystinejones.com/uploads/1/3/1/8/131856034/1790453.pdf
- http://files.myheartbelongsto.com/uploads/1/3/1/0/131070861/5017754.pdf
- http://files.faithtabernaclefellowship.org/uploads/1/3/0/7/130740493/xegijexa_lepiro_falozul_gimavabugad.pdf
- https://jekoxez.files.wordpress.com/2020/07/34016763289.pdf
- https://polosewus.files.wordpress.com/2020/07/gilowoliwelitak.pdf
- https://mamexoza.files.wordpress.com/2020/06/bapoduvok.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72707516801.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72710717911.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87960197539.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bugasodaliza.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/savowogofoxifonikili.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tapowizilefaj.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_off00004b39.bin` `6daf08c71e61da23e4f7f7fc6a9545641d73a7c613182b70a42e9ab160a3f17c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4B39	5524 bytes
`font_01_sfnt_off00005dec.bin` `5b96c71be45e4549033bc15fd447924a571bc814fd8a9bc5288075bee5988ebb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DEC	9788 bytes

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