Malicious PDF — malware analysis report

Static analysis result for SHA-256 3874b116964df0df…

MALICIOUS

PDF

37.1 KB Created: 2020-08-10 02:32:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 23bf75a495b0223d45f6b0e487dd3038 SHA-1: 4681d06891cffc679f67e4c6ebf1d0b0bbf689db SHA-256: 3874b116964df0dfa67907bbada91d28d38370c09c3d7cfea876392fa7cc4cca
130 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. It also features a link farm of numerous external PDF links, as flagged by PDF_SEO_LINK_FARM. The document body contains a call-to-action phrase, suggesting a lure to click the embedded malicious link, which redirects to `https://ttraff.cc/pify?keyword=catalogo+avon+11+2020+pdf`. No scripts were extracted from this sample.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=catalogo+avon+11+2020+pdf
    • http://files.edinburghtabletennis.com/uploads/1/3/2/6/132681884/fesexipuvokupuko.pdf
    • http://files.renaissancevitality.com/uploads/1/3/1/3/131380292/2085208.pdf
    • http://files.beyondthedreamingspires.com/uploads/1/3/1/6/131637362/direx_buzufagud.pdf
    • http://files.wsvrha.com/uploads/1/3/0/8/130874587/e23a68385150.pdf
    • http://miluja.designforequity.org/uploads/1/3/2/6/132681579/8665526.pdf
    • https://cdn.shopify.com/s/files/1/0432/1801/0274/files/tamia_so_into_you_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0438/2556/1757/files/ethnic_segmentation_definition.pdf
    • https://cdn.shopify.com/s/files/1/0434/7399/3890/files/32895886237.pdf
    • https://cdn.shopify.com/s/files/1/0430/8264/5665/files/550_ap_calculus_ab_bc_practice_questions.pdf
    • https://cdn.shopify.com/s/files/1/0434/5351/3893/files/6th_pay_commission_pay_scale_for_school_teachers.pdf
    • https://cdn.shopify.com/s/files/1/0433/3387/7914/files/25215310850.pdf
    • https://cdn.shopify.com/s/files/1/0432/6830/9152/files/fake_passport_generator.pdf
    • https://cdn.shopify.com/s/files/1/0433/4164/3928/files/pneumococcal_vaccine_schedule_adults.pdf
    • https://cdn.shopify.com/s/files/1/0434/8523/3304/files/vefunoxolujupegawule.pdf
    • https://cdn.shopify.com/s/files/1/0435/4523/1509/files/bosoxulibugoximuxuzukim.pdf
    • https://cdn.shopify.com/s/files/1/0428/8951/1071/files/45701790114.pdf
    • https://cdn.shopify.com/s/files/1/0436/3347/5737/files/abstract_nouns_crossword.pdf
    • https://cdn.shopify.com/s/files/1/0429/0412/5599/files/13534528030.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004955.bin
ca73047f5539bfb9e809eaf222f3b3997a6abe22b0789b0000133fbd5621fd8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4955 4968 bytes
font_01_sfnt_off00005a5c.bin
ba124bd922ed7d3902dde1682fe25ce7ea10812ce3dad14d3ff14e401d96d10c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A5C 9104 bytes
font_02_sfnt_off00007929.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7929 4324 bytes

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