Malicious PDF — malware analysis report

Static analysis result for SHA-256 06fee3c920d33486…

MALICIOUS

PDF

46.8 KB Created: 2020-08-16 17:25:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e650e5d5af2e9fb2c9ed6fe37ec42f5d SHA-1: b286bba04f48ac78dd084675403aa3dd5f56ac4c SHA-256: 06fee3c920d3348621d5c96d6a8aa1f60786ef18959e3ad509cdf3eeb3b3b1bf
154 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to link farms and redirectors, indicating a phishing or scam attempt. The primary malicious link, 'https://ttraff.cc/pify?keyword=gaming+tablet+android+2019', is flagged as malicious. The document body, though heavily obfuscated, contains this URL and other PDF links, suggesting the intent is to drive traffic to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=gaming+tablet+android+2019 In PDF document text
    • http://lovotetot.lovingyournaturalself.com/uploads/1/3/1/4/131452958/wubadar_suwexunix_towulo_riverutunimevin.pdfIn PDF document text
    • http://files.carlosalfredojr.com/uploads/1/3/0/7/130739970/7638247.pdfIn PDF document text
    • http://xisap.twofriendsgifts.com/uploads/1/3/2/6/132695306/fumekidude.pdfIn PDF document text
    • http://popirir.sturtmoor.com/uploads/1/3/2/7/132710694/rijajedafof.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/1/0430/7661/6341/files/lolapatuxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5102/2501/files/character_of_a_leader.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4564/8546/files/status_asthmaticus_pathophysiology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3380/5471/files/22165864436.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6935/7728/files/kowanukolajalole.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6662/1094/files/sahasra_ak_arabya_rajani_bangla_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1038/4295/files/49363440529.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6737/4758/files/78812092194.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8873/1543/files/prodigy_game_play.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2355/7020/files/99629819026.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6056/0021/files/religalakofate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wefudebavisizaku.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_off00007879.bin
674dd615ec7989542c6a15fadd7527b7bfb349469e9a5041435cdf727a0ffe21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7879 5620 bytes
font_01_sfnt_off00008b82.bin
f7b1e14a9d9dc39fa0cb3bce8be0d185f25639c3695e46260e4ac0d4f9b0a71d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B82 10224 bytes

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