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 of which point to external PDF files hosted on various domains. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=apache+poi+pdf+read'. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content through a large number of seemingly benign links. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.
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=apache+poi+pdf+read In PDF document text
- http://files.onebookonelife.com/uploads/1/3/0/7/130775992/ff50756ea81784.pdfIn PDF document text
- http://files.pskehal.com/uploads/1/3/1/6/131606546/wugoridaxiwa.pdfIn PDF document text
- http://files.annmartin.co.uk/uploads/1/3/0/9/130969761/7841032.pdfIn PDF document text
- http://nofaned.paradigmprint.org/uploads/1/3/0/8/130874493/3016786.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4489/6917/files/47279562214.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6596/6741/files/wefagijesugajufuwof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2812/5595/files/botawikufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4888/5662/files/4426853105.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5327/7603/files/the_almanac_of_american_politics_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1293/2255/files/daluxenopifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/89731031460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7139/6257/files/pussycat_dolls_buttons_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/9352393876.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3795/7023/files/acting_out_culture_3rd_edition_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4993/4229/files/21960546346.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9131/9201/files/cfb_boiler.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/duzawubemamomavokam.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_off0000643f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x643F | 5020 bytes |
SHA-256: 7a96fcf165afb9ff9064748afd5e5f515e5e13d0862cb51307a3b4d334831cce |
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font_01_sfnt_off0000753c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753C | 5004 bytes |
SHA-256: 8ba565fe014346d1a97c52e4027edcf45233c6200426f9d43f031deffed890e8 |
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font_02_sfnt_off000083ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83AC | 10544 bytes |
SHA-256: 9ca9ef8f6617a32ea6c57396e97c40ca1995224a6f6ecff63114b46f2c8733a1 |
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