PDF malware analysis — malicious · ed89b5f031d2dd2f

MALICIOUS

PDF

42.9 KB Created: 2020-08-31 23:06:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 81a1cc6950174bf6ebddda2854423fec SHA-1: 716ffd279c7a8f33e508872b281bdcf279239306 SHA-256: ed89b5f031d2dd2f09d5727d05f152e492cf151468e968b44414fa09effe0a16

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic indicates a malicious redirector link, specifically 'https://ttraff.cc/wix?keyword=can+u++netflix+movies+on+computer'. Another heuristic flags the document as an advance-fee scam lure, suggesting the links are intended to trick users into fraudulent schemes. The document body, though heavily obfuscated, contains the same suspicious URL.

Heuristics 4

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.
Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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/wix?keyword=can+u++netflix+movies+on+computer
- https://cdn.shopify.com/s/files/1/0431/5657/0274/files/5111820631.pdf
- https://cdn.shopify.com/s/files/1/0433/8581/5205/files/36686245629.pdf
- https://cdn.shopify.com/s/files/1/0430/8339/9329/files/47684245862.pdf
- https://cdn.shopify.com/s/files/1/0432/7600/9622/files/61143932132.pdf
- https://cdn.shopify.com/s/files/1/0431/5352/2850/files/jafejo.pdf
- https://cdn.shopify.com/s/files/1/0433/1021/9432/files/xugipozuxumadide.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9256/files/balagul.pdf
- https://cdn.shopify.com/s/files/1/0437/7785/1550/files/tirezinulejilubo.pdf
- https://static.usrfiles.com/ugd/b8c837_5ff26027bea34790ad2ae5feb0bfd212.pdf
- https://static.usrfiles.com/ugd/efb3f0_7f71d75304374e919b759a710e10c9d4.pdf
- https://static.usrfiles.com/ugd/99a8f2_d63fe19e7ff14e539dafde7ff080bf11.pdf
- https://static.usrfiles.com/ugd/902d29_aeb3b0dde6e54e1d8674f692b7ffd033.pdf
- https://static.usrfiles.com/ugd/b8c837_b141bc19f86a429baf8c81e42b40d6e9.pdf
- https://static.usrfiles.com/ugd/a31856_e7323b7c39e74ea499aafc2f056249cf.pdf
- https://static.usrfiles.com/ugd/a1fb72_7882d0f8703b49a194b7878b0652cd50.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_off00006563.bin` `90882bbae74e152291aeca0c0a2b0712bba9e36e9b2ae5e2208780fc6f9f663c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6563	5192 bytes
`font_01_sfnt_off00007708.bin` `3de712d0ce294054b4cd3fff79a5f216e6e080e7444ea5b99d6b3022ba1dd534`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7708	12036 bytes

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