PDF malware analysis — malicious · 8393cee7ced17c87

MALICIOUS

PDF

58.8 KB Created: 2020-08-03 18:41:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 777aa34630885e5906be2fae4f078c02 SHA-1: a49bdd72f5de483e2dddaeb4bbe957edb3a096a5 SHA-256: 8393cee7ced17c875edda2e60029bdbc521e52580eb65a013a1b9dd6aa3359ae

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, a common tactic for redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is designed to lure users into clicking through to a malicious payload. The document body, though heavily obfuscated, contains the target URL, suggesting an attempt to disguise the malicious link as legitimate content.

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=state+kirchhoff+s+law+pdf
- http://files.livinggodsmission.com/uploads/1/3/0/8/130874413/femobupowufebekoluta.pdf
- http://files.thejoyofsewingservice.com/uploads/1/3/2/3/132302913/8631541.pdf
- http://files.williammonaguenativeart.com/uploads/1/3/0/7/130739747/vunidegote.pdf
- http://files.ketolizcious.com/uploads/1/3/2/3/132303312/7bef31.pdf
- http://files.robbielairdartstudio.com/uploads/1/3/1/8/131857041/xodupifewezode.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/kikiravajimi.pdf
- https://cdn.shopify.com/s/files/1/0428/9062/5191/files/tabadetixeteziki.pdf
- https://cdn.shopify.com/s/files/1/0437/2873/2314/files/ramab.pdf
- https://cdn.shopify.com/s/files/1/0446/3758/5571/files/convert_hex_to_rgb.pdf
- https://cdn.shopify.com/s/files/1/0431/4460/9943/files/bipufa.pdf
- https://cdn.shopify.com/s/files/1/0432/8400/5032/files/novut.pdf
- https://cdn.shopify.com/s/files/1/0433/6146/8574/files/fizizetefozosalorobila.pdf
- https://cdn.shopify.com/s/files/1/0432/5851/1510/files/faragafolisunebiripidut.pdf
- https://cdn.shopify.com/s/files/1/0431/9156/6493/files/goborekebakokebape.pdf
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/38331699891.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nimapudusakodinufuzexive.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/lajuzevipiwer.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008832.bin` `40f0916e0d0f26dbb4e9c532989709581ad7eb17e6a543e83fc1b0aa786f0c19`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8832	5500 bytes
`font_01_sfnt_off00009afd.bin` `7c047fe9b150226db11c42706299062eb84e32dc9b49582dc0aa7fdabe37694c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9AFD	13808 bytes
`font_02_sfnt_off0000c78c.bin` `5a650745c3b4a6fa5d2588b2f3d27d6f246bd31ea49a5e952018d30c4e2eedc9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC78C	16332 bytes

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