Malicious PDF — malware analysis report

Static analysis result for SHA-256 60e2ceb4509918de…

MALICIOUS

PDF

45.0 KB Created: 2020-09-02 15:10:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f91138482a3f90f3bc6567529a21b71d SHA-1: 5a4c935c5cf45c2c06757a8a27753dd09cfad15e SHA-256: 60e2ceb4509918de85015f65bc3d82d23c0bcb1a0cb93e24659c0e4894802467
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, with one identified as a known malicious redirector. The ML classifier also flagged the document with high confidence. The document body, though heavily obfuscated, contains the malicious URL, suggesting an attempt to lure users to a harmful site. The presence of a link farm further supports a malicious intent, likely for SEO poisoning or traffic generation.

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.me/wix?keyword=escepticismo+definicion+pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://cdn.shopify.com/s/files/1/0434/6016/5797/files/xisisejapasa.pdf
    • https://cdn.shopify.com/s/files/1/0432/4599/4146/files/tefesifotonaginumabim.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26965864763.pdf
    • https://cdn.shopify.com/s/files/1/0431/4438/0578/files/89164140178.pdf
    • https://cdn.shopify.com/s/files/1/0430/8176/0935/files/definition_of_population_geography.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/jolowobazirasexirubu.pdf
    • https://cdn.shopify.com/s/files/1/0434/4637/0471/files/kewexaginele.pdf
    • https://cdn.shopify.com/s/files/1/0435/4126/6587/files/17022744983.pdf
    • https://cdn.shopify.com/s/files/1/0429/9587/5989/files/lodidoxosasizasutezojene.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3215656586.pdf
    • https://cdn.shopify.com/s/files/1/0429/4849/3475/files/27825322518.pdf
    • https://cdn.shopify.com/s/files/1/0440/5451/1766/files/drop_columns_in_pandas.pdf
    • https://cdn.shopify.com/s/files/1/0434/4283/1522/files/attestation_sur_l_honneur_pole_emploi_auto_entrepreneur.pdf
    • https://static.usrfiles.com/ugd/64d889_f37a7b61ab4040bb808c198345f7c831.pdf
    • https://static.usrfiles.com/ugd/493135_fd6487f1b0c240ec8a4b89de9030fe44.pdf
    • https://static.usrfiles.com/ugd/b8c837_ca6c945ce8ca462986d5ccd3d3f84bf6.pdf
    • https://static.usrfiles.com/ugd/d5415a_c2d6fc3d65b447a1b520cfc543f051bd.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000064ec.bin
ea050bd20e68e9a45a03d11b446b48ff8ec1d688a00a1c1118f96b70f31b5a45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64EC 4708 bytes
font_01_sfnt_off000074d8.bin
ff7664e9baf3eb30f2fcdfb4e87ae25bb408800e8976d876bb6dd3d015d773b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74D8 10636 bytes
font_02_sfnt_off00009918.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9918 4324 bytes

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