MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many hosted on disposable domains, indicating a link farm designed for SEO manipulation or phishing. Heuristics like 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this. The presence of a QR code lure and a visual download button further supports a malicious intent to redirect users to potentially harmful content. ClamAV detection and ML classification confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://archism.ru/pbw?utm_term=whatsapp+desktop+windows+7+64+bit PDF link annotation
- https://xenolato.weebly.com/uploads/1/3/4/8/134868471/vuzilaruwa.pdfIn PDF document text
- https://wizenojozus.weebly.com/uploads/1/3/4/3/134319480/gipubisawemu.pdfIn PDF document text
- https://samarobiratepiw.weebly.com/uploads/1/3/5/3/135327643/rekiterowepozef_jadawefebesi_fanirulu.pdfIn PDF document text
- https://mopuzivukoman.weebly.com/uploads/1/3/4/1/134108623/tisadarufulanes.pdfIn PDF document text
- https://mijonezogiju.weebly.com/uploads/1/3/4/3/134308960/1578a845a0.pdfIn PDF document text
- https://vavuloxen.weebly.com/uploads/1/3/0/7/130738497/rewegiwisebavun.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://barumena.pbworks.com/f/15527132016.pdfIn PDF document text
- http://ravowibosu.pbworks.com/f/what_is_a_sensory_imagery.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/816ddeae-012d-48a0-a4e9-66f882cc9e2f/mba_cet_question_papers_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cfa72804-e977-4bbe-b110-e2e94546d363/casio_lk-175_ppk.pdfIn PDF document text
- http://mifimoruzuwo.pbworks.com/f/adobe_creative_cloud_uninstall_command_line.pdfIn PDF document text
- http://lekipirunezi.pbworks.com/f/voice_lessons_syntax_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/621a17a5-6ca2-4b61-8274-d9ff6776c00c/the_expanse_wiki_episodes.pdfIn PDF document text
- http://kedetuwi.pbworks.com/f/john_deere_425_mower_deck_belt_diagram.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7527473-7ce0-4dda-ba1f-69132b88a8c7/how_long_before_red_light_therapy_works.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5f78ee4-0858-4432-9d11-78b85cfc55ce/text_structure_meaning_in_english.pdfIn PDF document text
- http://tejudafo.pbworks.com/f/72462351626.pdfIn PDF document text
- http://bupataved.pbworks.com/f/free_gem_generator_for_clash_of_clans_no_survey.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/901eeaa4-7f2e-4350-89f6-09df8c7939c2/dyson_v12_release_date_australia.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e572.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE572 | 5548 bytes |
SHA-256: a2b87d9534557ddfe81395598b53f4ab1f2643f056e91727fee4538b43ce490c |
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font_01_sfnt_off0000f872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF872 | 11816 bytes |
SHA-256: 7ad4706485317073c0b2cd1391ccc9078f0c21b0f8d9ea38dcb242ac1587d80d |
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