Malicious PDF — malware analysis report

Static analysis result for SHA-256 331180241408b54e…

MALICIOUS

PDF

35.7 KB Created: 2020-08-03 06:58:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0f24ecc1d9226f24a6c908aada8f758e SHA-1: 949a4fa795c9af84ef46a24c5bbb1c4b7d030ef4 SHA-256: 331180241408b54e41137a59e9b35c5ebd6edae80508f0de436f2c8e16ae75ef
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a direct link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site under the guise of a "crucial memory scan". The ML classifier strongly supports the malicious nature of this PDF. The presence of numerous embedded URLs, many hosted on Shopify, suggests an attempt to obscure the final malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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=crucial+memory+scan In PDF document text
    • http://files.pariswritersretreat.com/uploads/1/3/1/6/131637240/leluwowovu.pdfIn PDF document text
    • http://files.mikesalsgiver.com/uploads/1/3/1/4/131482919/c3061565e4.pdfIn PDF document text
    • http://files.anassafehavenrescue.org/uploads/1/3/0/7/130740530/8ac549c8e7ad.pdfIn PDF document text
    • http://files.villaavanti.com/uploads/1/3/0/9/130969377/3d6c7c42.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9432/7961/files/15448433573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4365/1735/files/39624401826.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4896/8090/files/vavugokelerebideta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3820/3290/files/13843411037.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4146/5244/files/65631221141.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7526/4919/files/72859118635.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6640/0673/files/28810611396.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2977/3981/files/gigofupipuvakepobuveriw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2666/1023/files/utorrent_cannot_find_path.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/0459/6122/files/python_pretty_print_dict.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3350/9534/files/dnd_5e_arms_of_hadar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0767/9397/files/sumexidonemixas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1756/0473/files/cox_channel_listing_baton_rouge.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ea8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EA8 4952 bytes
SHA-256: ee03654d8f7de251bf8b317dd1a58f816b3320e10929ddaaec9d78fb67536fd5
font_01_sfnt_off00005f6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F6D 10132 bytes
SHA-256: eff0f91ba209f2672a46c8aee9486cb270fba093bf03b5f118076e1cd37c108e

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