Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb38137fe8247069…

MALICIOUS

PDF

47.1 KB Created: 2020-08-28 15:59:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2e522c05b3f5d7f59fbd38a7908b5027 SHA-1: 17b9c3dc4f0753d1a813bbc1765b05601ce008c5 SHA-256: fb38137fe8247069128d92ba6ee570a910ceb5668c5e092de02c9f331a37d14a
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, with a critical heuristic firing indicating a link farm pointing to a known malicious redirector. The presence of the URL 'https://ttraff.cc/pify?keyword=aflac+magician+commercial' suggests an attempt to lure users to malicious content, potentially for phishing or malware distribution. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links and the use of a redirector are strong indicators of malicious intent.

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.cc/pify?keyword=aflac+magician+commercial In PDF document text
    • http://files.dissertationindia.org/uploads/1/3/1/3/131380440/feguzos.pdfIn PDF document text
    • http://valivu.tppc.org/uploads/1/3/0/7/130740178/mexefar-dovafoxexamo-sudexe.pdfIn PDF document text
    • http://paruwaxe.pagemusicale-lfs.com/uploads/1/3/1/4/131407267/c8ddb.pdfIn PDF document text
    • http://files.campcedarwood.org/uploads/1/3/1/4/131453193/42d678e4da5f9.pdfIn PDF document text
    • http://files.friendsofwadifoquin.com/uploads/1/3/0/7/130740018/poburad_ripizo_wusowesaw_tidepoxide.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/1/0435/3395/9327/files/pathophysiology_bodhankar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4115/2421/files/used_vehicle_information_package_ontario.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4884/3934/files/tiwesogekidumuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7950/7872/files/62486965956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7432/1560/files/20699046418.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4929/5776/files/xavekirigaluxadipuvoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1905/7826/files/21160823140.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3467/3305/files/desoxelixujuzifonen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6929/9098/files/lisamem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8583/2096/files/78858497727.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/9173/9033/files/19951202643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3826/0898/files/mcdonalds_training_manual_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2230/3911/files/54605367350.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006545.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6545 5012 bytes
SHA-256: aedf20fc8657b46c02d6fb8fa5ddcbcd710f3dd73fb262f4e4a6b4eec3b05ec2
font_01_sfnt_off0000763c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x763C 10252 bytes
SHA-256: 3a95281a14500937d10b3c1942891405442383f42b8a4bc615844d0cccfc4242
font_02_sfnt_off0000999e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x999E 16232 bytes
SHA-256: 0865ea5686e30d19842a941efae749c2e92da649021023aa876fc32c67f43dd0