Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ab1c1e8f66a0cea…

MALICIOUS

PDF

35.1 KB Created: 2020-08-23 09:54:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d6d53bcecae40f042ecafdbff2ebae37 SHA-1: 3ce4176fec60f4c48974422408ace8b54e1153f0 SHA-256: 1ab1c1e8f66a0cea3161ba23d7ef743c32111a3dd488c58d47dad695f2674afd
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, disguised as an installation guide. The document body is heavily obfuscated but contains the target URL. The presence of a large number of external PDF links, many pointing to potentially malicious domains, further supports the malicious intent. The ML classifier also strongly indicated maliciousness.

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=fusionsphere+installation+guide In PDF document text
    • http://seluzo.genawave.com/uploads/1/3/1/3/131398177/detanu_kavawape_zopenuri.pdfIn PDF document text
    • http://tipemoso.harrowcinevideo.org.uk/uploads/1/3/0/7/130739664/vezexasepiw.pdfIn PDF document text
    • http://fexurob.shelbyveterinaryservice.com/uploads/1/3/0/7/130776783/ca35eeb19b.pdfIn PDF document text
    • http://zekokif.goldenreiki.co.nz/uploads/1/3/1/4/131438304/dorebevofejinezeg.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/1/0432/8649/5388/files/python_check_if_key_is_in_dictionary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7345/2697/files/perl_for_loop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/6092/0219/files/84400714408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3355/1260/files/resume_atomistique_s1_smpc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6503/0309/files/tough_guise_2_summary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7216/7841/files/tuwitisikisupazo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8828/9694/files/etat_de_rapprochement_bancaire_exercice_corrig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7812/3680/files/16526357933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1710/7618/files/bee_movie_pro_app_free.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004257.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4257 5056 bytes
SHA-256: 9c0b552bfe779e79b2b837144a7e0054df3f8bdb8679e40a713df44c56dfa8c7
font_01_sfnt_off00005371.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5371 8832 bytes
SHA-256: 6ab94696093ed33881fd6baa8424b18823ffac57ca35809ebf4a37b77b1a03bb
font_02_sfnt_off00007198.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7198 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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