MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to what appears to be a link farm hosted on cdn.shopify.com, with a primary redirector at ttraff.ru. This technique is commonly used to obscure the final malicious destination and evade detection. The ML classifier strongly indicated maliciousness, and the PDF structure itself suggests a malicious redirector.
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.ru/pify?keyword=makalah+tentang+bblr+pdf In PDF document text
- http://files.chicagopcc.com/uploads/1/3/1/4/131410952/xokifiwo_wugewefava_jalele_nevij.pdfIn PDF document text
- http://files.greatervictoriaartistdirectory.com/uploads/1/3/1/8/131858108/movuxotabiwepa-zopotonufemajo-sevipufok-janegujixod.pdfIn PDF document text
- http://files.hayatsalukis.com/uploads/1/3/0/7/130775200/munuvevepiteromenipe.pdfIn PDF document text
- http://files.bagcharmboutique.com/uploads/1/3/2/6/132695492/962751.pdfIn PDF document text
- http://files.garageworksphotography.com/uploads/1/3/0/7/130775970/sisiwederafono.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0437/6245/0586/files/56513357869.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0119/2352/files/42268334499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7727/1716/files/af_931.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8212/9320/files/sijasal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7414/files/51084734309.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4541/9165/files/ms_office_license.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5913/5132/files/nufetevagab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1608/5923/files/45423946571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4217/7181/files/bupufoxilawikemun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3882/5887/files/1198440129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5783/0298/files/34303747929.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1165/3282/files/linear_alkyl_benzene_msds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4759/8742/files/pekefuwuxigeguwevesew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1880/3605/files/sojuxufunufetetovofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0913/8084/files/58692420059.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_off00008183.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8183 | 1728 bytes |
SHA-256: 3ea6e0e4d3b7d0f8b33d4793e23f30cc5ca07ecfc2695b02cb41cb8da563dde3 |
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font_01_sfnt_off000089a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89A0 | 5336 bytes |
SHA-256: 3fa895315546cf83d632253df10a28a29d61e169737cd742e69b583c2307dea9 |
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font_02_sfnt_off00009bc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BC7 | 10396 bytes |
SHA-256: 4c9cdb25e78fe943d6c1f7f8854c2242ece37afda512c479bc829d8dfadad0d6 |
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