MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text, though partially obfuscated, includes keywords related to a 'Briggs and Stratton 500 series 158cc manual pdf', suggesting a lure to trick users into clicking the malicious link. The ML classifier also strongly flagged this PDF as malicious.
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=briggs+and+stratton+500+series+158cc+manual+pdf
- http://files.spaflourish.com/uploads/1/3/1/6/131606901/55b1e67f.pdf
- http://files.paqu.org/uploads/1/3/1/8/131871894/vibofukupu_ruzererijolibij.pdf
- http://jeridezip.cocktailsntunes.com/uploads/1/3/1/8/131856772/kadejijipex_mobis_japen_bufevulusuna.pdf
- http://files.masksoflove.org/uploads/1/3/1/6/131606331/xodutoxusamaduriv.pdf
- http://files.truromass.org/uploads/1/3/0/8/130814716/momizo-mufero-nuzaxevo.pdf
- https://cdn.shopify.com/s/files/1/0435/3628/5860/files/fakumab.pdf
- https://cdn.shopify.com/s/files/1/0435/1619/9064/files/salujorip.pdf
- https://cdn.shopify.com/s/files/1/0432/9819/3573/files/john_deere_stx38.pdf
- https://cdn.shopify.com/s/files/1/0433/1870/6331/files/assam_up_tet_question_paper_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/zesexopizegeme.pdf
- https://cdn.shopify.com/s/files/1/0430/7949/9940/files/33163832194.pdf
- https://cdn.shopify.com/s/files/1/0437/9613/6098/files/gepoxavedobonomova.pdf
- https://cdn.shopify.com/s/files/1/0429/4334/8892/files/wetap.pdf
- https://cdn.shopify.com/s/files/1/0431/3425/5265/files/77831397423.pdf
- https://cdn.shopify.com/s/files/1/0429/1775/7095/files/salud_y_ambito_laboral.pdf
- https://cdn.shopify.com/s/files/1/0431/5021/3274/files/astm_b117_18_free_download.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_off00006a94.bine7d8423560bfc4e18c14ac4a93ad4390867bb75fd49635c5ed90ef6a4f23bc6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A94 | 6036 bytes |
font_01_sfnt_off00007f13.bin056492548784d5012868884d34d64c386da4ff5c068823531022ba7596d5aac7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F13 | 10260 bytes |
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