Malicious PDF — malware analysis report

Static analysis result for SHA-256 b3bd7bf6bd25267c…

MALICIOUS

PDF

44.1 KB Created: 2020-08-08 05:32:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f39f3c1ebe743fe53c7889f24d313ddc SHA-1: d21d00e3537dfd8bf17886ad45c579bd19124f0b SHA-256: b3bd7bf6bd25267c486bb968fbff45f56c0b2a9d5e78db889858d484bd6cb0e3
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a lure for "Burger King vouchers" and embeds numerous links. One of these links, `https://ttraff.cc/pify?keyword=burger+king+gutscheine+august+september+2020+pdf`, is identified as a malicious redirector. The document's structure and embedded links suggest a phishing or scam attempt designed to redirect users to malicious sites. No scripts were extracted, limiting the analysis of direct payload execution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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/pify?keyword=burger+king+gutscheine+august+september+2020+pdf
    • http://files.c-hawkstudios.com/uploads/1/3/0/8/130815014/3527074.pdf
    • http://files.earthboundvoicesparanormal.net/uploads/1/3/2/6/132681479/japaxok_zivavuzenima.pdf
    • http://files.markshuey.com/uploads/1/3/1/1/131163635/dedibojokefemo-dafazeveparopu-mixozuxosab.pdf
    • http://files.scottishpigs.coop/uploads/1/3/0/7/130776162/9ff421b26d.pdf
    • http://files.themabusecode.com/uploads/1/3/1/4/131454165/8244054.pdf
    • https://cdn.shopify.com/s/files/1/0431/1236/6241/files/refraction_of_light_through_prism.pdf
    • https://cdn.shopify.com/s/files/1/0440/3711/1958/files/54186416517.pdf
    • https://cdn.shopify.com/s/files/1/0440/5883/7142/files/fallout_new_vegas_walkthrough_xbox_360.pdf
    • https://cdn.shopify.com/s/files/1/0431/5811/0363/files/79594819314.pdf
    • https://cdn.shopify.com/s/files/1/0437/5255/4657/files/how_to_crop_on_mac.pdf
    • https://cdn.shopify.com/s/files/1/0434/8562/6520/files/xujafozavalekabanivaji.pdf
    • https://cdn.shopify.com/s/files/1/0429/3538/6265/files/96826888721.pdf
    • https://cdn.shopify.com/s/files/1/0427/8360/4903/files/23258043948.pdf
    • https://cdn.shopify.com/s/files/1/0434/5580/7640/files/rogegajolawov.pdf
    • https://cdn.shopify.com/s/files/1/0428/3334/6719/files/41192826529.pdf
    • https://cdn.shopify.com/s/files/1/0431/2183/6193/files/antibiotik_amoksisilin.pdf
    • https://cdn.shopify.com/s/files/1/0429/0599/3375/files/gijurare.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/
    • https://cdn.shopify.com/s

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065c9.bin
2daef495d506e8c973d60be3cfa28de2653241b9bddb3d3c9502050a5c461d46		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65C9 6064 bytes
font_01_sfnt_off00007a4a.bin
a976098b170b736d9492cf25710338f373c83f383a7fcf3b623a22643cec1749		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A4A 11424 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.