MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'rental agreement contract pdf' and includes the malicious URL. This suggests a social engineering tactic to trick users into clicking the link, likely for phishing or malware distribution. No scripts were extracted, limiting the analysis of specific execution behaviors.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.ru/pify?keyword=rental+agreement+contract+pdf In PDF document text
- http://files.lagniappepeddler.com/uploads/1/3/1/3/131383981/dimiwupawibageri.pdfIn PDF document text
- http://files.superhelper.org/uploads/1/3/0/7/130739147/vovasivilifuxu.pdfIn PDF document text
- http://files.wolfandcrown.com/uploads/1/3/1/4/131453177/2925164.pdfIn PDF document text
- http://files.nonprofitleadershipcollaborative.org/uploads/1/3/1/1/131164460/simadilenutiwakipumi.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/1/0432/6519/6197/files/little_girl_anime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1687/1333/files/kodanetakanurafibuluno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/komoxubuwuruwox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0853/8262/files/dotupaxasilurekuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5625/7441/files/mavejilojewog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/kamiripopanixesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9639/1323/files/93589042582.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7596/0985/files/jiwolaje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3000/2336/files/59553273694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6689/2191/files/38057550771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2466/1154/files/44233529615.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3320/6690/files/labamoxexozapotuwutof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4506/0762/files/45848113683.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000084af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84AF | 5304 bytes |
SHA-256: 4705f2abe9d88b5899185751a6c45517e60a499b85a5e070b770f227781b2ad9 |
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font_01_sfnt_off000096b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96B0 | 10080 bytes |
SHA-256: fd5b31be79e965fbe9aea996a3ec330694227e1825749d6ba14e384a0a6fab28 |
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