MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'homologous series of hydrocarbons' and the malicious URL. The presence of a link farm and the ML classifier's high confidence score indicate malicious intent, likely to redirect users to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.com/pify?keyword=homologous+series+of+hydrocarbons+answers
- http://files.dandimicco.com/uploads/1/3/1/3/131381414/mesezeka-najib-pekemajof.pdf
- http://files.berkshireheros.org/uploads/1/3/1/0/131070476/4ffe5b7.pdf
- https://cdn.shopify.com/s/files/1/0435/6905/3854/files/benign_prostatic_hyperplasia_bph.pdf
- https://cdn.shopify.com/s/files/1/0434/4433/8838/files/arihant_bpsc_question_bank.pdf
- https://cdn.shopify.com/s/files/1/0432/1217/7572/files/the_hobbit.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/jotaburanubozuzuwawatudiv.pdf
- https://cdn.shopify.com/s/files/1/0433/7411/7015/files/makigilajimomobitole.pdf
- https://cdn.shopify.com/s/files/1/0434/6681/7689/files/viximapive.pdf
- https://cdn.shopify.com/s/files/1/0439/9883/8942/files/4245241676.pdf
- https://cdn.shopify.com/s/files/1/0430/0803/2922/files/4330648791.pdf
- https://cdn.shopify.com/s/files/1/0450/8853/8776/files/bastar_university_supply_time_table_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0435/3661/3544/files/62147363518.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_off00006181.bin2ce321ce4408c341166ae99c0c82391c128291a00603648ea4bfb46ddf713041 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6181 | 5728 bytes |
font_01_sfnt_off000074f0.bin984cd405048fc27e3302bf2f64b69757b331b3d6783a30b974973653400d74e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74F0 | 9656 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.