MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=aarti+sangrah+pdf+file+download'. This indicates the document's primary purpose is to redirect users to potentially malicious content. The presence of a large number of external PDF links, many hosted on Shopify, further suggests a link farm or SEO manipulation tactic to drive traffic to the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
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=aarti+sangrah+pdf+file+download In PDF document text
- http://files.stealthbuckets.com/uploads/1/3/2/8/132815882/2602108.pdfIn PDF document text
- http://wawenu.benfaler.com/uploads/1/3/2/7/132710703/5043219.pdfIn PDF document text
- http://gedazuto.asterfertilityclinic.com/uploads/1/3/2/6/132681579/bojuzirimujoxarenow.pdfIn PDF document text
- http://files.jaegercounseling.com/uploads/1/3/1/4/131406372/lurodarare_wiliganadi.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/1/0435/3871/0696/files/26305196656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4288/2215/files/pozijejon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6563/9069/files/wevis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7939/1637/files/75921499064.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1142/3902/files/kojigafariwuxifad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9091/2159/files/68570386606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0233/9232/files/xenor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6629/2389/files/83779421286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7423/8102/files/wobezevil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9099/2549/files/47315574806.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2026/2308/files/zumaweko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7016/6942/files/xugujirajokijukimuloxos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3845/7508/files/27133699327.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6263/2360/files/99734760109.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_off00007b6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B6B | 5172 bytes |
SHA-256: 07cb705247330403a73bb96535471cf1a43b8c074e30da7f3ca6535fea8314db |
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font_01_sfnt_off00008d05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D05 | 14500 bytes |
SHA-256: 5d923da32a4265ab2736a19687e429321db12c39ef60b6dd40c1a8d86cd68626 |
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font_02_sfnt_off0000b9b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9B4 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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