PDF malware analysis — malicious · b39e858a2c0d0ad2

MALICIOUS

PDF

48.8 KB Created: 2020-08-18 21:56:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ff23b014dbe23579508d72a4108504b8 SHA-1: 8ea195df699aa7be33a35f02c0f4bd5b0cb5a9ec SHA-256: b39e858a2c0d0ad2331237e745d68e39f9c8a7daeb201332e9eb999d70c4d772

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link to a known malicious redirector, ttraff.com, disguised as a customer satisfaction form template. This redirector likely leads to further malicious content or exploits. The document also contains a large number of links to Shopify-hosted PDFs, suggesting a link farm or SEO manipulation tactic to obscure the primary malicious link. No scripts were extracted, and the document body is heavily obfuscated.

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.com/pify?keyword=customer+satisfaction+form+template+word
- http://files.sbkherbals.com/uploads/1/3/0/8/130815026/nuburavizanib.pdf
- https://cdn.shopify.com/s/files/1/0434/8257/9110/files/mikiwiligasumunogobalis.pdf
- https://cdn.shopify.com/s/files/1/0434/5266/1926/files/bemo_s_ultimate_guide_to_casper_test_prep.pdf
- https://cdn.shopify.com/s/files/1/0428/9524/5475/files/dositewajotitisil.pdf
- https://cdn.shopify.com/s/files/1/0435/7881/8715/files/2936934905.pdf
- https://cdn.shopify.com/s/files/1/0430/0954/0257/files/sopilefiputodiz.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9874/files/sscp_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/1962/2808/files/99894624831.pdf
- https://cdn.shopify.com/s/files/1/0435/8779/7160/files/fijikujaveme.pdf
- https://cdn.shopify.com/s/files/1/0447/4860/3546/files/good_morning_flowers_images_hd.pdf
- https://cdn.shopify.com/s/files/1/0429/8198/2361/files/business_development_officer_resume.pdf
- https://cdn.shopify.com/s/files/1/0437/0956/3045/files/nyu_taxation_llm.pdf
- https://cdn.shopify.com/s/files/1/0437/6766/0693/files/approach_to_buddhist_philosophy.pdf
- https://cdn.shopify.com/s/files/1/0429/9295/9642/files/toruwol.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005e09.bin` `0c5a50b97d6bf1ba65be75628691a95f43666cf399ae147cd0d344347ade01ce`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E09	5296 bytes
`font_01_sfnt_off00007005.bin` `00d7d3122501288efbdf3402bef2a882897b73e935534ff5acd22a462698e6d6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7005	10052 bytes
`font_02_sfnt_off00009258.bin` `1f026901ce35900c2703117cb8ab09bd0ba15c28f0ef415c8f4bd562f80744f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9258	16220 bytes
`font_03_sfnt_off0000a797.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA797	4324 bytes

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