MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which point to a redirector service. The primary malicious URL, https://ttraff.ru/wb?keyword=psm%20exam%20questions%20and%20answers%20pdf, is identified as a malicious redirector. The document body, though heavily corrupted, contains text suggesting it is a lure for 'psm exam questions and answers pdf', likely to entice users to click the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://ttraff.ru/wb?keyword=psm%20exam%20questions%20and%20answers%20pdf In PDF document text
- http://liragoz.baypowerengineeringltd.com/uploads/1/3/1/4/131452958/nuxes_zanapu_notakilikito_nipukoze.pdfIn PDF document text
- http://files.devereuxazevents.org/uploads/1/3/1/1/131163643/1af510cdac3b33e.pdfIn PDF document text
- http://files.dawnuskennels.com/uploads/1/3/0/7/130775126/powimedizawejel.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0452/5362/3970/files/84014655448.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6360/6437/files/95185315466.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0511/4528/files/algebra_worksheets_grade_8_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2128/7080/files/45064403974.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/6196/2910/files/rafadewexixalezumik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7738/6918/files/zuzuwavojenepur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8289/0918/files/theory_of_biogenesis_and_abiogenesis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4247/9000/files/zilodetazivobejuxapejusov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3594/9218/files/masters_preliminary_exam_routine_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3057/6278/files/13323128555.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9328/5277/files/22974298158.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
🗂 Part of campaign:
devereuxazevents.org
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BF7 | 5324 bytes |
SHA-256: 37afbc8787a41cc35b1cd21fbaa3a798c59c3bd7a1df2b46deaa3637e8de883e |
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font_01_sfnt_off00006e01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E01 | 10956 bytes |
SHA-256: 1c45029e24eb4209958669b4af2afc49506897ead1f8887f10598e70f79a4786 |
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font_02_sfnt_off0000937b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x937B | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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