MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, many pointing to Shopify-hosted PDFs, which is indicative of a link farm. One of the primary links redirects through a known malicious redirector, ttraff.cc. The ML classifier also strongly flagged this PDF as malicious. The presence of a link farm and a malicious redirector suggests an attempt to either distribute malicious content or manipulate search engine results.
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.cc/pify?keyword=chundari+penne+song+free In PDF document text
- http://rukagex.stepheningram.net/uploads/1/3/0/9/130969754/bagavupinubujituk.pdfIn PDF document text
- http://files.hugsplus.com/uploads/1/3/1/4/131483386/1a58d.pdfIn PDF document text
- http://files.davidbenjaminverstraete.com/uploads/1/3/2/6/132682851/jugidunigosirew_guladi_sujuvuvakizoga_zaxaxid.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
- http://smc.org.inhttp://smc.org.inIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/4571/5109/files/arduino_library_functions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6734/1974/files/voxutujimubulabeju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5671/7205/files/the_algorithm_design_manual_solutions_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6451/5994/files/71338173371.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4390/4927/files/risazadaguj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7946/7170/files/tagawozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5119/5299/files/taxudobarawa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/39299337975.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5429/3402/files/24628331276.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
- https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004a61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A61 | 5096 bytes |
SHA-256: a9de1dd76109d90cd549c1b79452c0b72c2dcd9d3de17063f69b4bbd7eb12641 |
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font_01_sfnt_off00005b9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B9E | 3668 bytes |
SHA-256: b27325d79538cf1a40d4db5cd699e766f4121f0e7ad8f8467d1b906b618df7c1 |
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font_02_sfnt_off00006983.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6983 | 14176 bytes |
SHA-256: 69b6875d8797a188905d49c03f5634d38b29dd2a0a5d7ae9c274873949c2422c |
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font_03_sfnt_off0000958e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x958E | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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