MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to redirectors and SEO link farms, indicating a phishing or malicious content distribution scheme. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, suggesting a deliberate attempt to lure users to malicious infrastructure. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=breeds+of+sheep+and+their+characteristics+pdf In PDF document text
- http://files.mariocostantinopace.com/uploads/1/3/1/0/131070500/358a1d35.pdfIn PDF document text
- http://files.afrogood.com/uploads/1/3/1/4/131438280/675494.pdfIn PDF document text
- http://files.highstreetmediaproductions.org/uploads/1/3/0/8/130814258/lemixilarif-tusinig.pdfIn PDF document text
- http://getez.rockapplications.com/uploads/1/3/0/8/130814328/b14af64da39b835.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0444/1961/2839/files/piwapovurafevudaxufos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/patofisiologi_bronkitis_akut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0767/9397/files/97106923066.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5063/0296/files/meruwesuwada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7583/6835/files/introduction_to_structural_dynamics_and_aeroelasticity_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6635/2028/files/65355855648.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3518/1734/files/binebiwefuwud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6859/5112/files/86268977560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0911/2226/files/read_catching_fire_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6871/0300/files/speech_bubble_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9199/3500/files/dufezomune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8741/9806/files/lizaxorasazarujisijufonas.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a6b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6B4 | 5048 bytes |
SHA-256: 3cbdfe30f7b3d4c7934fd7bdf9c376e8468102eab01fc148bd16a18510d5c3b6 |
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font_01_sfnt_off0000b7d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7D2 | 10108 bytes |
SHA-256: b066d39ac9fec8b4aad9368ad9c4f0ebd4a3a8299e8068514258930e03e703da |
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font_02_sfnt_off0000da62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA62 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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