MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and a URL that appears to be part of a link farm designed to attract traffic, likely for phishing or malware distribution.
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=bitdefender+antivirus+plus+full
- http://fivawe.canyonrunner.com/uploads/1/3/2/7/132740362/5656547.pdf
- http://files.stjohnsdunellen.org/uploads/1/3/0/7/130775309/wodoriduj.pdf
- http://files.mylittlewoodshop.net/uploads/1/3/0/8/130813325/6649781.pdf
- http://pivevuzak.dirtygardening.com/uploads/1/3/1/6/131636755/2900745.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0252/7895/files/alemlube_catalogue.pdf
- https://cdn.shopify.com/s/files/1/0434/6563/8050/files/network_topology_free_download.pdf
- https://cdn.shopify.com/s/files/1/0430/5905/2706/files/fupefuludurikevupabuw.pdf
- https://cdn.shopify.com/s/files/1/0433/0441/9478/files/noc_letter_format_for_housing_society.pdf
- https://cdn.shopify.com/s/files/1/0439/4231/4152/files/punctuation_rules_and_examples.pdf
- https://cdn.shopify.com/s/files/1/0432/8570/8968/files/80786424070.pdf
- https://cdn.shopify.com/s/files/1/0431/7354/4093/files/98345768987.pdf
- https://cdn.shopify.com/s/files/1/0431/7331/4715/files/73252899978.pdf
- https://cdn.shopify.com/s/files/1/0428/7902/5318/files/damuzeru.pdf
- https://cdn.shopify.com/s/files/1/0437/4413/3281/files/34645599182.pdf
- https://cdn.shopify.com/s/files/1/0438/2785/5522/files/74522578223.pdf
- https://cdn.shopify.com/s/files/1/0429/6661/4175/files/wujuxuvuxamabokawarobu.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068c2.bin33594b8daa1cd51cec9935e79962c2f1c089b30d078dbdf74205e35635254035 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68C2 | 5144 bytes |
font_01_sfnt_off00007a51.bin46a6e0f6d595fc0357ef87e361f42bf8e979c4e7fbcd8d6fdcbb2f8094cf4fc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A51 | 10620 bytes |
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