PDF malware analysis — malicious · c8b46715be02976b

MALICIOUS

PDF

92.4 KB Created: 2021-07-22 16:32:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 9710c93a7e24309ba9f6625d612e7bed SHA-1: da769423afd376c5edf208a0b2dbdff30baccdc4 SHA-256: c8b46715be02976bc4670910874fb8705b1df6b66ecea035dff914b0649de7f6

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded URLs, although many are marked as benign, suggests an attempt to lure users to external resources. The file's structure and detection as a 'Pdf.Phishing.Trojan' point towards a phishing or trojan delivery mechanism, likely initiated via spearphishing.

Machine Learning

Nyx PDF Classifier malicious score 0.9876

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://feedproxy.google.com/~r/sq/ugae/~3/X6hrLWyzjlw/square?utm_term=becoming+truly+human
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f7d7a13bf5736ec38a7545/1626855329695/can_i_transfer_money_from_my_cash_app_to_my_debit_card.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60efff2bfdf15601434a663e/1626341163580/how_much_does_a_25_hp_johnson_weight.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f12142f75f957e35b6e51e/1626415426410/sizubo.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f16248b348e55d1c53c2ba/1626432072785/a_boogie_wit_da_hoodie_look_back_at_it_download.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f8c1bb24c5f82eff4c73d8/1626915259933/91857431379.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f93916fd7e2736eb37ec24/1626945814345/26550404834.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f947d84f5bfc186c446933/1626949594726/microsoft_math_worksheet_generator_partners_in_learning.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f19117a9987c7a147ffe8b/1626444055600/blood_products_and_plasma_substitutes.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ec94a21cff58014d552d5b/1626117282498/meaning_of_consecration_in_bible.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ec7d347a1add4dee1ee89b/1626111284083/3_letter_words_from_fair.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f3bcd2a9adb72803ab7c1c/1626586322886/the_major_threat_to_biodiversity_is.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ed9e798b02447bbddb6cec/1626185337903/economics_a_tool_for_critically_understanding_society.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f963c5fec7cc27b4ca7109/1626956742035/heart_touching_images_in_telugu.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f3e19aa047b636122a6af9/1626595738939/exercise_of_active_passive_voice.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f63e71b2b0835cff97e95e/1626750577488/beauty_and_the_beast_2017_telugu_dubbed_full_movie_download.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec8514154eb17b684a2107/1626113301045/92118285405.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e827a17be683581ce57bbb/1625827233487/introduction_to_gender_studies.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e8c2904c181567023c423c/1625866896183/98334424255.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e940b75ebba154a8fd5212/1625899191650/gibotonaji.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e9229e12fb7d0b279375be/1625891486388/bitaso.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f6cb691cc08f60b1503d85/1626786666006/how_to_add_alt_text_description_to_a_picture_in_word.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f4e60470ff22042a17451d/1626662404887/53489490106.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f967d621f9913a1cf807db/1626957782671/17345580162.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60efcd8479f953043cbc7e5c/1626328452470/postherpetic_neuralgia_meaning.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f5f2ac83b49211a7048ba9/1626731180433/where_is_area_code_213.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee6559bb85ab7f02bf69d0/1626236249593/nuvalereferodoxep.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010491.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10491	16792 bytes
`font_01_sfnt_off00011ca8.bin` `07e3fe8bca1e2d83190eb60e89dc98262fa4e1c9f6c8226a6abd4361b4babf2d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11CA8	10776 bytes
`font_02_sfnt_off0001354f.bin` `7531b46f2a5992533a90c9cdd69522df56dc0e6fa88d6cfcb2d32112f092f871`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1354F	17204 bytes

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