Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aa2872d0d893b2c…

MALICIOUS

PDF

91.1 KB Created: 2021-03-12 10:12:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 189c8526b8c42bb661934f92b1428347 SHA-1: 247f2f8ae8ff71fd3d3e943d4f3be02cf44c5e5b SHA-256: 9aa2872d0d893b2c0f231b11669225f5aa30101e0e83f4478bb6ef3b8d8f9ea2
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded external URI pointing to 'lozipotod.ru', which is likely used to redirect the user to a phishing site or download a secondary payload. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of malicious URLs strongly suggests a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://lozipotod.ru/123?utm_term=jqgrid+formatter+number+%25EC%2586%258C%25EC%2588%2598%25EC%25A0%2590
    • https://cdn.sqhk.co/zozotetowa/hjjhjhf/53879104354.pdf
    • https://cdn.sqhk.co/vugomupuzisa/ic9la9O/lulumematagugogebozojug.pdf
    • http://wepijafiguwenan.mywebcommunity.org/poker_one_pair_rules.pdf
    • http://sluzhba1.net/29655024620iac09.pdf
    • http://kimujedat.mygamesonline.org/69513139386.pdf
    • https://cdn.sqhk.co/dijogiper/ahhJwvJ/73508700559.pdf
    • http://gakukuketisalum.scienceontheweb.net/wokojoxe.pdf
    • http://trychambre.xyz/tres_metros_sobre_el_cielo_3_film_completnfnww.pdf
    • https://cdn.sqhk.co/lididiregi/jMvcgcP/baby_panda_ice_cream_shop_mod_apk.pdf
    • http://mivetys.xyz/spectacular_2009_movies08c4.pdf
    • https://cdn.sqhk.co/dugixikisim/QahhhjU/shadow_fight_full_movie_in_english.pdf
    • https://cdn.sqhk.co/vipujitebiki/fghigjf/marujatilini.pdf
    • https://cdn.sqhk.co/dedenijikal/htPM29E/72235729708.pdf
    • https://cdn.sqhk.co/jivonaxadu/hgAhimq/52272549191.pdf
    • http://tradebot.space/what_is_network_operating_system_with_examplexz5gc.pdf
    • http://repair-kvadrokopterov.ru/zufosomexixadmbcux.pdf
    • http://sepoxudozixo.sportsontheweb.net/counselling_skills_and_theory_margaret_hough.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/gusule/bootstrap_form_input_number.pdf
    • https://s3.amazonaws.com/toguvaju/how_to_say_no_to_being_godmother.pdf
    • https://s3.amazonaws.com/kotodur/duluvapekojenobexej.pdf
    • https://s3.amazonaws.com/vavapekadoliti/how_does_a_deep_ocean_trench_form.pdf
    • https://s3.amazonaws.com/tamovagag/how_to_reset_a_samsung_galaxy_s6.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fafe.bin
c7b480abf1172ec727cfd77e356c8b95b002191ab7007659795b93994190a453		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFAFE 7968 bytes
font_01_sfnt_off0001150e.bin
11ff00af8c117fd6e126e8aff01c1e0825935c172656d314fe9516d3e70f1c85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1150E 3244 bytes
font_02_sfnt_off00012099.bin
5c86f1250e8d9f5bbc2ea687f8272c7a45845882804ff24a8839fe2537babf1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12099 5272 bytes
font_03_sfnt_off00013269.bin
bf5ca8d74570eb98c5263817f802c2743088d894e01006b89b84206fe4b1ce34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13269 12860 bytes

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