Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd7088ba0a13fc1c…

MALICIOUS

PDF

42.8 KB Created: 2020-08-07 12:48:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 596539727adc95d51a2756cb8fde13e9 SHA-1: b8db1747ff8d01aad037f88dd19aefa7f298eb43 SHA-256: dd7088ba0a13fc1ccc612189016d4cc0fbcb015e4551e690ecddf4bd3f4e6645
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=rna+mediated+epigenetic+regulation+of+gene+expression+pdf. This suggests the document is part of an SEO poisoning or phishing campaign designed to lure users to malicious infrastructure. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • 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=rna+mediated+epigenetic+regulation+of+gene+expression+pdf
    • http://files.1817.co.uk/uploads/1/3/2/6/132681317/e457965e8c4.pdf
    • http://files.erinlands.com/uploads/1/3/1/4/131455158/4554022.pdf
    • http://files.tidetoadream.com/uploads/1/3/1/6/131637553/botil_xugafez_jidebi.pdf
    • http://files.tualatindar.org/uploads/1/3/1/3/131379590/monusixiw_gabon.pdf
    • http://files.thedinopark.com/uploads/1/3/2/7/132740415/6535022.pdf
    • https://cdn.shopify.com/s/files/1/0437/9102/4277/files/wigijinuvekaj.pdf
    • https://cdn.shopify.com/s/files/1/0428/1778/1927/files/western_snow_plow_trouble_shooting.pdf
    • https://cdn.shopify.com/s/files/1/0428/6650/7942/files/49321169088.pdf
    • https://cdn.shopify.com/s/files/1/0450/5419/7910/files/automobile_spare_parts_list.pdf
    • https://cdn.shopify.com/s/files/1/0434/5603/7017/files/hierarchical_clustering_algorithm_in_data_mining.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43561311815.pdf
    • https://cdn.shopify.com/s/files/1/0432/8534/8510/files/canon_powershot_sx520_hs_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/batch_file_if_statement.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vunazazaxukatokezidabu.pdf
    • https://cdn.shopify.com/s/files/1/0430/8657/7828/files/14437216228.pdf
    • https://cdn.shopify.com/s/files/1/0431/1272/6677/files/3245607253.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wonazonuv.pdf
    • https://cdn.shopify.com/s/files/1/0431/3733/5464/files/74840521493.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000068e0.bin
fe81e7cd0f6a84816d44d4f601293f4cbac2dc17808768f300f29c0108df217e
pdf-font-stream PDF embedded font (sfnt) at offset 0x68E0 5548 bytes
font_01_sfnt_off00007bb7.bin
264375bce30411bc97046721b3d344b154be84a087dec84f0f47c1d333b29d3c
pdf-font-stream PDF embedded font (sfnt) at offset 0x7BB7 9980 bytes