PDF malware analysis — malicious · 56aee57a4a7227ad

MALICIOUS

PDF

46.2 KB Created: 2020-08-23 19:28:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 81202cab1e4bd413b2a14b0660757983 SHA-1: d50eca6009fcee4b28729d625f21f9f84b3e9963 SHA-256: 56aee57a4a7227ada4a641eb96694da732519a8719394ff50069bd0db10d3044

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with a critical heuristic identifying a malicious redirector. The document body, though partially corrupted, contains text suggesting a 'close button in form html' lure, which aligns with the malicious redirector URL. The primary malicious IOC is the ttraff.com URL, which likely leads to a phishing or malware distribution site. The presence of numerous other PDF links suggests a link farm or SEO poisoning attempt.

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=close+button+in+form+html
- http://files.parenting-examiner.com/uploads/1/3/0/8/130874257/e5007341985.pdf
- http://files.sandiegocountyrecordersociety.org/uploads/1/3/1/3/131398194/9540226.pdf
- http://wefis.adelaidechickensittingservice.com/uploads/1/3/1/3/131383982/fogarikozez.pdf
- http://files.ephesians320ministries.org/uploads/1/3/0/7/130776828/3128616.pdf
- https://cdn.shopify.com/s/files/1/0430/9506/4733/files/68046519593.pdf
- https://cdn.shopify.com/s/files/1/0433/0999/0043/files/64314647370.pdf
- https://cdn.shopify.com/s/files/1/0437/6556/3549/files/sutaledavejisabokilukev.pdf
- https://cdn.shopify.com/s/files/1/0437/1415/0565/files/zemizik.pdf
- https://cdn.shopify.com/s/files/1/0435/8956/6623/files/95615874699.pdf
- https://cdn.shopify.com/s/files/1/0438/1949/9682/files/2750145725.pdf
- https://cdn.shopify.com/s/files/1/0450/7402/2550/files/un_romance_irresistible_mary_balogh_descargar.pdf
- https://cdn.shopify.com/s/files/1/0433/7215/0947/files/6879714032.pdf
- https://cdn.shopify.com/s/files/1/0434/0147/8300/files/divi_aruba_map.pdf
- https://cdn.shopify.com/s/files/1/0435/3851/4071/files/mother_mary_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0434/9624/3364/files/abbott_logo.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_off00005931.bin` `173e4d01cff5d9e5c6d5a652833063bfd820925f5a8b785c06cb10a1cd07880d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5931	4844 bytes
`font_01_sfnt_off0000697a.bin` `794e3d4eb4cc7abe3a917d2250255b6e368599b7c47a05a32d3302a4732f3c77`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x697A	14340 bytes
`font_02_sfnt_off0000971f.bin` `5d52f40a13f54bcc329d29992e3abd0fd28294c8bc547691d9075fb1d42365f7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x971F	16076 bytes

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