Malicious PDF — malware analysis report

Static analysis result for SHA-256 48f0a116bc59735a…

MALICIOUS

PDF

46.1 KB Created: 2020-08-09 00:11:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e2cf9eb95d3f0b155833b4cfaf1f424f SHA-1: 5242eda5586a68bb40d6f3d83b4416545fa09e63 SHA-256: 48f0a116bc59735a9bbe9404df895d9dda39a95119cd2b51bf763e2ceed825b4
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though obfuscated, contains text related to a 'Connecticut highway map' and the URL 'https://ttraff.com/pify?keyword=connecticut+highway+map+pdf', suggesting a lure for phishing or malware delivery. The presence of a large number of external PDF links also indicates a link farm, a common tactic for SEO poisoning to drive traffic to malicious sites.

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.com/pify?keyword=connecticut+highway+map+pdf
    • http://files.sopheriacosplay.com/uploads/1/3/0/9/130969446/mefajebakalazeg-memapupiteja-wazenefur-wegefonuzosopen.pdf
    • http://files.petcardia.com/uploads/1/3/0/8/130874025/2951857.pdf
    • http://files.techbrain123.com/uploads/1/3/2/7/132740763/3598931.pdf
    • http://pamufere.iotverticals.com/uploads/1/3/0/9/130969472/1808b1f1.pdf
    • http://files.leadplasticsurgery.com/uploads/1/3/2/6/132696233/e988057.pdf
    • https://cdn.shopify.com/s/files/1/0431/5542/3396/files/jutozamij.pdf
    • https://cdn.shopify.com/s/files/1/0436/4071/7472/files/fegipa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9573/6988/files/worn_out_faces.pdf
    • https://cdn.shopify.com/s/files/1/0430/8421/8521/files/fogutudegaxam.pdf
    • https://cdn.shopify.com/s/files/1/0431/0004/5465/files/74793011206.pdf
    • https://cdn.shopify.com/s/files/1/0433/4852/5206/files/64649749251.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65545430121.pdf
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/zonejopeliwukepi.pdf
    • https://cdn.shopify.com/s/files/1/0430/2834/9085/files/tigedi.pdf
    • https://cdn.shopify.com/s/files/1/0430/4227/5485/files/27687778479.pdf
    • https://cdn.shopify.com/s/files/1/0429/7755/8681/files/68699114605.pdf
    • https://cdn.shopify.com/s/files/1/0438/5836/2518/files/calculus_1_purcell.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.

FilenameKindSourceSize
font_00_sfnt_off00007721.bin
54afe4a52fc41c709f7f926e7a3e565ca4b58ca5d4df878da305c680260f4b13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7721 5360 bytes
font_01_sfnt_off00008957.bin
162697316d9bdfcb4a8b26c86c9736a99557d61a4d299a898c48578c78a20a03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8957 9920 bytes

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