PDF malware analysis — malicious · e78ff283933ec85f

MALICIOUS

PDF

44.5 KB Created: 2020-08-10 19:33:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 447092ff420359b3d5580f2a46fa7758 SHA-1: 587fe12a8bca2d93d4628302a37941669864d8d0 SHA-256: e78ff283933ec85f949b31189ae8210db0bb7038053fe1d66a0f8fc199c8c750

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a link farm and a malicious redirector. The document body, though heavily obfuscated, contains text related to 'easy guitar chord progressions pdf' and a URL that matches the malicious redirector found by heuristics. This suggests the document is a lure to redirect users to malicious infrastructure, likely for further exploitation or phishing.

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=easy+guitar+chord+progressions+pdf
- http://files.reachfc.org/uploads/1/3/1/8/131855995/4376421.pdf
- http://xupekik.thecaravanningbikiechic.com/uploads/1/3/0/8/130814161/wewovixib-bosukozu-lidanumiber-jatatotawur.pdf
- http://files.thistlewellington.com/uploads/1/3/1/1/131164479/3696480.pdf
- http://dusuzax.yachtavailability.com/uploads/1/3/0/8/130814238/bosekur.pdf
- http://nopabi.cfolcconference.com/uploads/1/3/1/0/131070722/gowenatilalete.pdf
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/jawelivozorifunosuz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ganisififado.pdf
- https://cdn.shopify.com/s/files/1/0428/3170/8316/files/32484576115.pdf
- https://cdn.shopify.com/s/files/1/0429/9853/0202/files/package_air_conditioning_system_working.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27347714529.pdf
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/magivibaneximejiki.pdf
- https://cdn.shopify.com/s/files/1/0434/7972/8281/files/pubifigujusumusinon.pdf
- https://cdn.shopify.com/s/files/1/0431/6643/3429/files/12539877573.pdf
- https://cdn.shopify.com/s/files/1/0432/7863/1072/files/33399623787.pdf
- https://cdn.shopify.com/s/files/1/0430/7730/4484/files/army_dress_blue_uniform_setup_measurements.pdf
- https://cdn.shopify.com/s/files/1/0435/6718/6079/files/bhagavad_gita_in_english_with_meaning.pdf
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/attached_book.pdf
- https://cdn.shopify.com/s/files/1/0431/9651/4461/files/tunakodavowakaremixumom.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/
- https://cdn.shopify.com/s/files/1/0428/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006f9d.bin` `da45b7d4146412b485315f0d271c192d3f39dc40ef5837fe4da9c98e39a266a0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F9D	5444 bytes
`font_01_sfnt_off0000821d.bin` `66b05631a6ab5598c7bf8853ecd68503e3775225c6a0280b8382d64f6a5786a5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x821D	10104 bytes

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