MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for "abiotic vs biotic factors answer key pdf". This URL redirects to a malicious domain, likely to deliver a secondary payload or phish for credentials. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm used for SEO poisoning or to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.cc/pify?keyword=abiotic+vs+biotic+factors+answer+key+pdf
- http://files.christchurchdayschoolmtp.org/uploads/1/3/1/4/131453989/2428203.pdf
- http://files.bioengcoll.org/uploads/1/3/0/7/130775032/fagip-vodex-xipirokudaxu-nomijivigun.pdf
- http://xonur.lh4biz.com/uploads/1/3/0/7/130739777/bafavave.pdf
- https://cdn.shopify.com/s/files/1/0435/9651/3448/files/36648211854.pdf
- https://cdn.shopify.com/s/files/1/0428/4379/9719/files/peliculas_mega_1k.pdf
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/enhance_shaman_pvp_6._2.pdf
- https://cdn.shopify.com/s/files/1/0434/0400/1443/files/aadhaar_based_biometric_attendance_system.pdf
- https://cdn.shopify.com/s/files/1/0434/3398/4157/files/french_to_english_translation_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/5238/1846/files/64316820720.pdf
- https://cdn.shopify.com/s/files/1/0429/3882/6918/files/jabixupozakipodutusivaxi.pdf
- https://cdn.shopify.com/s/files/1/0432/8521/7436/files/importance_of_vehicle_tracking_system.pdf
- https://cdn.shopify.com/s/files/1/0432/6365/6099/files/piporupekifobexulig.pdf
- https://cdn.shopify.com/s/files/1/0434/2664/4125/files/fusedexuzar.pdf
- https://cdn.shopify.com/s/files/1/0438/4302/7104/files/jazog.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e1c.binf85abc3589ee2f8443b46968a058a75de15eef9b4471a544e8a417d3e81adba6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E1C | 5564 bytes |
font_01_sfnt_off00007125.binb387d4ba4fe90d0b324953c83d5756da18c197f15dfe6d09e6e9a8aa3809183d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7125 | 10680 bytes |
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