Malicious PDF — malware analysis report

Static analysis result for SHA-256 11b582d06060ed0f…

MALICIOUS

PDF

39.7 KB Created: 2020-08-11 11:50:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c068d921dbbf4701aa7731a68a58db58 SHA-1: 2e9f4e5e85cbb17df9a323d246f90c6773c57109 SHA-256: 11b582d06060ed0f8a09d1704810800ba2bc75b7ff794066018f816aaf39bf71
234 Risk Score

Malware Insights

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

The PDF document contains numerous links, many of which point to redirectors and SEO link farms designed to obscure the final destination. The primary redirector URL is 'https://ttraff.com/pify?keyword=world+currency+symbols+and+names+pdf', which likely serves as a lure for phishing or malware distribution. The ML classifier strongly indicates maliciousness, and the presence of multiple PDF link farm heuristics supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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=world+currency+symbols+and+names+pdf In PDF document text
    • http://puzotod.bridges2learning.net/uploads/1/3/1/6/131606552/finugofaxalewawutegu.pdfIn PDF document text
    • http://files.believinginthepower.org/uploads/1/3/0/7/130776166/8fbc70841.pdfIn PDF document text
    • http://kubiwomid.partnersinprayerforourprodigals.com/uploads/1/3/2/8/132814930/715471.pdfIn PDF document text
    • http://nesojo.dabasocommunityunit.com/uploads/1/3/0/8/130814423/6693229.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/1/0428/6090/4604/files/water_temp_san_diego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6191/1458/files/dipizubafede.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9979/1259/files/62922271270.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5316/1367/files/2937396979.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8888/5413/files/pedezufexekonudukivetobos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/suxuteregejo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7300/3939/files/item_codes_stardew_valley.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0854/0324/files/ejercicios_voz_pasiva_en_presente_simple_en_ingles.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1649/3976/files/59407628323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5107/4214/files/96279622486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0787/7017/files/cidco_lottery_2020_advertisement_download.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005db4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DB4 5556 bytes
SHA-256: 4d83a48a73f45a86927ce8f873b16fa9a639107c593ce85aae954bc7a67470a5
font_01_sfnt_off0000708c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x708C 9840 bytes
SHA-256: ad0a0b064b2930b15471b552bb6c4588b104133e00d1ed44986388dc8ed0bd49