PDF malware analysis — malicious · e5b770d4465a51dc

MALICIOUS

PDF

67.8 KB Created: 2020-08-23 15:25:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6e6d0380e0373d48f01c5e91178cd240 SHA-1: 8f77842ffdef750339b61e54875bdf5420e75ff8 SHA-256: e5b770d4465a51dca8fc0330d1340c3ca48fdd2db387b202d2300e0e254b84d8

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be related to a song title and the redirector URL also contains a similar keyword. The primary malicious URL identified is ttraff.ru, which is known to host redirectors. The PDF also contains a link farm, suggesting an attempt to game search engine results.

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=blame+the+night+remix+song
- http://zorogo.blackboysshine.com/uploads/1/3/1/6/131637814/riloguginizikeposix.pdf
- http://files.eastasiair.com/uploads/1/3/0/9/130969305/be0b0f99a.pdf
- http://mopojatum.tmfherefords.com/uploads/1/3/0/7/130776418/vapazike.pdf
- https://cdn.shopify.com/s/files/1/0438/0357/4432/files/34436011558.pdf
- https://cdn.shopify.com/s/files/1/0431/8029/4298/files/26925064247.pdf
- https://cdn.shopify.com/s/files/1/0437/6123/8168/files/legakux.pdf
- https://cdn.shopify.com/s/files/1/0431/7757/4557/files/cerebral_palsy_gait.pdf
- https://cdn.shopify.com/s/files/1/0433/8663/4390/files/haynes_small_engine_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/6337/8081/files/65690767259.pdf
- https://cdn.shopify.com/s/files/1/0438/6629/2389/files/58883459856.pdf
- https://cdn.shopify.com/s/files/1/0434/5528/3366/files/zapekagorupipuxul.pdf
- https://cdn.shopify.com/s/files/1/0438/1832/0034/files/nubibolupazurufekaril.pdf
- https://cdn.shopify.com/s/files/1/0430/5344/9367/files/wotixoji.pdf
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/vuzutegevevukar.pdf
- https://cdn.shopify.com/s/files/1/0440/0496/6565/files/rafis_skin_2017.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_off00009af6.bin` `b20f7a6084cdb4e7c5630224ed6d206a5e151f625111f7e34a263d500c2f2794`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9AF6	5004 bytes
`font_01_sfnt_off0000abc8.bin` `c016053390dc568479cf45fd3f5f7e3f524b4650f265b4c9f81c2acae91951df`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xABC8	16040 bytes
`font_02_sfnt_off0000dd12.bin` `fb7b45e24c28c4473d0ca1c6410c593992d9a809009f9c41b5ae32c9142507dd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDD12	16120 bytes
`font_03_sfnt_off0000f1fa.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF1FA	4324 bytes

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