MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. One critical heuristic specifically identified a link to a known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The presence of a link farm suggests an attempt to obscure the final malicious destination, likely for phishing or malware delivery.
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.com/pify?keyword=exponential+regression+worksheet+algebra+2
- http://watiwaje.nicolerim.com/uploads/1/3/1/3/131383737/f945c.pdf
- http://files.patchesfamilycreamery.com/uploads/1/3/0/7/130776343/f2cb181f8.pdf
- http://files.entomoanthro.org/uploads/1/3/1/4/131483197/nizijeb_toririwinere_lunemepax.pdf
- http://wagiterap.cashmereboutiquespa.com/uploads/1/3/0/8/130813528/cdae0a4aed.pdf
- http://nozatit.moneymentorph.com/uploads/1/3/0/9/130969061/9379803.pdf
- https://cdn.shopify.com/s/files/1/0434/4646/8769/files/add_ocr_to.pdf
- https://cdn.shopify.com/s/files/1/0429/3237/1622/files/4977050013.pdf
- https://cdn.shopify.com/s/files/1/0437/8699/3813/files/hepatocellular_carcinoma_surveillance_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0430/6694/9786/files/56633252153.pdf
- https://cdn.shopify.com/s/files/1/0432/6585/1542/files/50560522945.pdf
- https://cdn.shopify.com/s/files/1/0430/4578/1665/files/86979499.pdf
- https://cdn.shopify.com/s/files/1/0428/5366/2887/files/zapukisidumu.pdf
- https://cdn.shopify.com/s/files/1/0434/6429/4557/files/riwatajebekakaxof.pdf
- https://cdn.shopify.com/s/files/1/0439/4539/4331/files/wonodazemubikomelopifu.pdf
- https://cdn.shopify.com/s/files/1/0432/1070/3010/files/free_metro_boomin_drum_kit.pdf
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/38038383210.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_off000063ae.binef2b608eb08fda222fd9e69e7cb187f20861a106a693fbafe7253b734cac1d81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63AE | 5536 bytes |
font_01_sfnt_off0000768f.bin68088926a53397e2b850298a62ef87da1b4f0ea93e51585dafc42595a6a413cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x768F | 10164 bytes |
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