Malicious PDF — malware analysis report

Static analysis result for SHA-256 197e4bb57df94215…

MALICIOUS

PDF

46.1 KB Created: 2020-08-10 02:06:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 19ad4a4c1abccc5c8c54dd034d411e6b SHA-1: 8bdf76dacd1fb4a428869bcf0135e1b17dc3b5ec SHA-256: 197e4bb57df942152d29fa5d8995f986f15d328b07b6ed50892efe2cd01d9e92
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.com) that is flagged as malicious. The document body itself contains obfuscated text and URLs, suggesting an attempt to disguise its malicious intent. The primary goal appears to be directing users to malicious infrastructure through a link farm, likely for phishing or malware distribution.

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=delitos+contra+la+administracion+publica+pdf+colombia In PDF document text
    • http://files.tigerhillpermaculture.net/uploads/1/3/0/7/130776728/288e977fe85057.pdfIn PDF document text
    • http://files.alexcarterla.com/uploads/1/3/1/3/131383619/7162327.pdfIn PDF document text
    • http://files.mrandon.com/uploads/1/3/0/7/130776254/ribagijejebakufetafi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zafitizeruzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3239/5426/files/18709586122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3702/3656/files/martyrdom_of_rizal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5802/1027/files/linagejodamoruwer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3815/4653/files/cdfipb._careers_guarantor_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4642/0136/files/bangladesh_bank_job_preparation_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5052/3031/files/natemizagaxiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6930/1151/files/80253725311.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6640/9638/files/three_skeleton_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8237/5577/files/55134567099.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7931/0239/files/mini_jambox_app.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5802/7928/files/51927010937.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0349/3022/files/dalukezafejabubuvo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6254/9910/files/zobomotefuzapidakewefoxe.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000067ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67CE 5320 bytes
SHA-256: e713a167bb02dd300de81d9647c145309d7f9ff2faf5393ba87bd4204c0471e8
font_01_sfnt_off000079c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79C3 10264 bytes
SHA-256: c9b65d550d7dedcb224f42b4040995a35fc779eeb7d3fdfa07689f58b9e1c6bd
font_02_sfnt_off00009b30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B30 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3