Malicious PDF — malware analysis report

Static analysis result for SHA-256 54f333012b7b14b3…

MALICIOUS

PDF

43.2 KB Created: 2020-08-14 05:01:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d76f1fb7e490df01864e3ba2bfd4226c SHA-1: 315af41642bfdbc65e9a8274a4f187542ed2d8cd SHA-256: 54f333012b7b14b3b2ce1aa38a5a7cc5304078d3ff97b921b910c832128b1fe3
214 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, disguised as an employment discrimination complaint form. The document body and heuristics indicate a phishing lure, likely intended to lead the user to a malicious site for further exploitation or credential harvesting. The presence of numerous external PDF links also suggests a link farm, potentially for SEO poisoning or to obscure the final malicious destination.

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.
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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.cc/pify?keyword=employment+discrimination+complaint+form+california In PDF document text
    • http://files.essentialpsychotherapyservices.com/uploads/1/3/0/7/130739598/9fe26a253.pdfIn PDF document text
    • http://gatoze.perrysplacellc.com/uploads/1/3/1/4/131406438/lowafojodilidase.pdfIn PDF document text
    • http://files.matthew-j.com/uploads/1/3/1/4/131437443/bopamowelo-vubavum-zoberes-gaxej.pdfIn PDF document text
    • http://files.jcvfitness.com/uploads/1/3/1/3/131379706/dugonobe.pdfIn PDF document text
    • http://files.theparknextdoor.com/uploads/1/3/1/1/131164260/xomotowisegaji_koteg.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/1/0434/7373/1741/files/22475238914.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4659/0872/files/business_driven_information_systems_4th_canadian_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5791/3749/files/goneset.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6232/0536/files/cape_sociology_syllabus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6331/1512/files/majilanitalazavi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0145/4500/files/nuwupaxome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3337/8459/files/basic_core_java_concepts_in.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6187/7665/files/92977481739.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/wusixujiduwivudesiweju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/3914/2566/files/bullworker_steel_bow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8212/0358/files/vanupexule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3412/3160/files/69149522749.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2561/3475/files/27594827862.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_off00006ac8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AC8 5360 bytes
SHA-256: 419b1e97238f64eaf45c4d77ca51b499ea026102426ed48e13f30802166dc0c4
font_01_sfnt_off00007cf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CF8 10044 bytes
SHA-256: 5d7cab3fce8cfb5fe15704a1db496a1a10bfcb710d2365e1be73915271bd05a8